diff --git a/Rakefile b/Rakefile
old mode 100755
new mode 100644
index 1015d36a8..baff55158
--- a/Rakefile
+++ b/Rakefile
@@ -2,6 +2,6 @@
 # Add your own tasks in files placed in lib/tasks ending in .rake,
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
-require File.expand_path("config/application", __dir__)
+require File.expand_path('../config/application', __FILE__)
 
 Rails.application.load_tasks
diff --git a/config.ru b/config.ru
index 441e6ff0c..f7ba0b527 100644
--- a/config.ru
+++ b/config.ru
@@ -1,5 +1,5 @@
 # This file is used by Rack-based servers to start the application.
 
-require_relative "config/environment"
+require_relative 'config/environment'
 
 run Rails.application
diff --git a/config/application.rb b/config/application.rb
index 2b95c2b73..b98b2311a 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -1,6 +1,6 @@
-require File.expand_path("boot", __dir__)
+require File.expand_path('../boot', __FILE__)
 
-require "rails/all"
+require 'rails/all'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -13,11 +13,11 @@ class Application < Rails::Application
 
     # I18n configuration
     config.i18n.default_locale = :es
-    config.i18n.available_locales = %i[es ca eu gl en pt-BR fr]
+    config.i18n.available_locales = [:es, :ca, :eu, :gl, :en, :'pt-BR', :fr]
     config.i18n.fallbacks = true
 
     # This tells Rails to serve error pages from the app itself, rather than using static error pages in public/
-    config.exceptions_app = routes
+    config.exceptions_app = self.routes
 
     # Activate the Skylight agent in staging. You need to provision the
     # SKYLIGHT_AUTHENTICATION env var for this to work.
@@ -31,10 +31,10 @@ class Application < Rails::Application
     config.active_record.schema_format = :sql
 
     # Guard against DNS rebinding attacks by permitting hosts
-    config.hosts << "localhost"
-    config.hosts << "timeoverflow.local"
-    config.hosts << "staging.timeoverflow.org"
-    config.hosts << "www.timeoverflow.org"
-    config.hosts << "timeoverflow.org"
+    config.hosts << 'localhost'
+    config.hosts << 'timeoverflow.local'
+    config.hosts << 'staging.timeoverflow.org'
+    config.hosts << 'www.timeoverflow.org'
+    config.hosts << 'timeoverflow.org'
   end
 end
diff --git a/config/boot.rb b/config/boot.rb
index 988a5ddc4..b9e460cef 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,4 +1,4 @@
-ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 
-require "bundler/setup" # Set up gems listed in the Gemfile.
-require "bootsnap/setup" # Speed up boot time by caching expensive operations.
+require 'bundler/setup' # Set up gems listed in the Gemfile.
+require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
diff --git a/config/environment.rb b/config/environment.rb
index cac531577..426333bb4 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -1,5 +1,5 @@
 # Load the Rails application.
-require_relative "application"
+require_relative 'application'
 
 # Initialize the Rails application.
 Rails.application.initialize!
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 55817c081..000e5f03b 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -14,13 +14,13 @@
 
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
-  if Rails.root.join("tmp/caching-dev.txt").exist?
+  if Rails.root.join('tmp', 'caching-dev.txt').exist?
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      "Cache-Control" => "public, max-age=#{2.days.to_i}"
+      'Cache-Control' => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -38,7 +38,7 @@
 
   config.action_mailer.delivery_method = :letter_opener
   config.action_mailer.default_url_options = {
-    host: ENV["MAIL_LINK_HOST"] || "localhost:3000"
+    host: (ENV["MAIL_LINK_HOST"] || "localhost:3000")
   }
 
   # Print deprecation notices to the Rails logger.
diff --git a/config/environments/staging.rb b/config/environments/staging.rb
index 221c983cc..cb080f68a 100644
--- a/config/environments/staging.rb
+++ b/config/environments/staging.rb
@@ -1,2 +1,2 @@
-#  Use same settings we use for production
+# Use same settings we use for production
 require_relative "production"
diff --git a/config/environments/test.rb b/config/environments/test.rb
index e7efdf9fd..a897f877b 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -16,7 +16,7 @@
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    "Cache-Control" => "public, max-age=#{1.hour.to_i}"
+    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
   }
 
   # Show full error reports and disable caching.
diff --git a/config/routes.rb b/config/routes.rb
index f5002e932..500c4581d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,11 +1,11 @@
-require "sidekiq/web"
-require "sidekiq/cron/web"
+require 'sidekiq/web'
+require 'sidekiq/cron/web'
 
 Rails.application.routes.draw do
   root to: "home#index"
 
   authenticate :user, lambda { |u| Rails.env.development? || u.superadmin? } do
-    mount Sidekiq::Web => "/sidekiq"
+    mount Sidekiq::Web => '/sidekiq'
   end
 
   devise_for :users, controllers: { sessions: "sessions" }
@@ -16,7 +16,7 @@
 
   ActiveAdmin.routes(self)
 
-  get :switch_lang, to: "application#switch_lang"
+  get :switch_lang, to: 'application#switch_lang'
 
   get "/pages/:page" => "pages#show", as: :page
 
@@ -28,35 +28,34 @@
     get :give_time, on: :member
   end
 
-  resources :organizations, except: %i[new create destroy], concerns: :accountable do
+  resources :organizations, except: [:new, :create, :destroy], concerns: :accountable do
     member do
       post :set_current
     end
   end
-  get :select_organization, to: "organizations#select_organization"
+  get :select_organization, to: 'organizations#select_organization'
 
-  resources :users, concerns: :accountable, except: :destroy, path: "members" do
+  resources :users, concerns: :accountable, except: :destroy, :path => "members" do
     collection do
-      get "signup"
-      get "manage"
-      get "please_confirm"
+      get 'signup'
+      get 'manage'
+      get 'please_confirm'
     end
   end
-  put :update_avatar, to: "users#update_avatar"
+  put :update_avatar, to: 'users#update_avatar'
 
-  resources :petitions, only: %i[create update] do
+  resources :petitions, only: [:create, :update] do
     collection do
-      get "manage"
+      get 'manage'
     end
   end
 
-  resources :transfers, only: %i[new create] do
+  resources :transfers, only: [:new, :create] do
     member do
       put :delete_reason
     end
   end
-  match "multi/step/:step", to: "multi_transfers#step", via: %i[get post],
-                            as: :multi_transfers_step
+  match "multi/step/:step", to: "multi_transfers#step", via: [:get, :post], as: :multi_transfers_step
   post "multi/create", to: "multi_transfers#create", as: :multi_transfers_create
 
   resources :documents
@@ -100,6 +99,6 @@
     end
   end
 
-  match "/404", to: "errors#not_found", via: :all
-  match "/500", to: "errors#internal_server_error", via: :all
+  match '/404', to: 'errors#not_found', via: :all
+  match '/500', to: 'errors#internal_server_error', via: :all
 end
diff --git a/spec/admin/organizations_controller_spec.rb b/spec/admin/organizations_controller_spec.rb
index 18218fc90..cf0f77f2e 100644
--- a/spec/admin/organizations_controller_spec.rb
+++ b/spec/admin/organizations_controller_spec.rb
@@ -12,12 +12,10 @@
     it "sign out if current user is logged to organization deleted" do
       session[:current_organization_id] = organization.id
 
-      expect do
+      expect {
         delete :destroy, params: { id: organization.id }
-      end.to change { controller.current_user }.to(nil).
-        and change {
-              session[:current_organization_id]
-            }.to(nil)
+      }.to change { controller.current_user }.to(nil)
+      .and change { session[:current_organization_id] }.to(nil)
     end
   end
 end
diff --git a/spec/controllers/application_controller_spec.rb b/spec/controllers/application_controller_spec.rb
index c8a96495f..ade414f43 100644
--- a/spec/controllers/application_controller_spec.rb
+++ b/spec/controllers/application_controller_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe ApplicationController do
-  describe "#switch_lang" do
+  describe '#switch_lang' do
     let(:original_locale) { I18n.locale }
 
     before do
@@ -10,7 +10,7 @@
       I18n.locale = original_locale
     end
 
-    it "switches locale to passed language via params" do
+    it 'switches locale to passed language via params' do
       new_locale = (I18n.available_locales - [original_locale]).sample
 
       expect do
diff --git a/spec/controllers/device_tokens_controller_spec.rb b/spec/controllers/device_tokens_controller_spec.rb
index c8ae67d76..f97c6d62a 100644
--- a/spec/controllers/device_tokens_controller_spec.rb
+++ b/spec/controllers/device_tokens_controller_spec.rb
@@ -2,27 +2,27 @@
   let (:organization) { Fabricate(:organization) }
   let (:member) { Fabricate(:member, organization: organization) }
 
-  describe "POST #create" do
-    context "without login" do
-      it "responds with error" do
+  describe 'POST #create' do
+    context 'without login' do
+      it 'responds with error' do
         expect do
           post :create
         end.to change(DeviceToken, :count).by(0)
       end
     end
 
-    context "with valid params" do
-      it "creates a new device_token" do
+    context 'with valid params' do
+      it 'creates a new device_token' do
         login(member.user)
 
         expect do
-          post :create, params: { token: "xxx" }
+          post :create, params: { token: 'xxx' }
         end.to change(DeviceToken, :count).by(1)
       end
     end
 
-    context "with invalid params" do
-      it "responds with error" do
+    context 'with invalid params' do
+      it 'responds with error' do
         login(member.user)
         post :create
         expect(response.status).to eq(422)
diff --git a/spec/controllers/inquiries_controller_spec.rb b/spec/controllers/inquiries_controller_spec.rb
index 0a443d210..0a78b1982 100644
--- a/spec/controllers/inquiries_controller_spec.rb
+++ b/spec/controllers/inquiries_controller_spec.rb
@@ -42,8 +42,8 @@
 
           expect do
             post "create", params: { inquiry: { user: another_member.user,
-                                                category_id: test_category.id,
-                                                title: "New title" } }
+                                      category_id: test_category.id,
+                                      title: "New title" }}
           end.to change(Inquiry, :count).by(1)
         end
       end
diff --git a/spec/controllers/multi_transfers_controller_spec.rb b/spec/controllers/multi_transfers_controller_spec.rb
index 2817c759e..1d243a0e7 100644
--- a/spec/controllers/multi_transfers_controller_spec.rb
+++ b/spec/controllers/multi_transfers_controller_spec.rb
@@ -12,7 +12,7 @@
               category: test_category)
   end
 
-  it "creates one to many transfers" do
+  it 'creates one to many transfers' do
     expect do
       login(admin.user)
 
@@ -37,14 +37,14 @@
 
       post :step, params: params.merge!(
         step: 5,
-        transfer: { amount: 3600, reason: "because of reasons" }
+        transfer: {amount: 3600, reason: 'because of reasons'}
       )
 
       post :create, params: params
     end.to change { Transfer.count }.by(2)
   end
 
-  it "creates many to one transfers" do
+  it 'creates many to one transfers' do
     expect do
       login(admin.user)
 
@@ -69,15 +69,15 @@
 
       post :step, params: params.merge!(
         step: 5,
-        transfer: { amount: 3600, reason: "because of reasons" }
+        transfer: {amount: 3600, reason: 'because of reasons'}
       )
 
       post :create, params: params
     end.to change { Transfer.count }.by(2)
   end
 
-  context "when only one source and one target is selected" do
-    it "creates one to one transfers" do
+  context 'when only one source and one target is selected' do
+    it 'creates one to one transfers' do
       expect do
         login(admin.user)
 
@@ -102,7 +102,7 @@
 
         post :step, params: params.merge!(
           step: 5,
-          transfer: { amount: 3600, reason: "because of reasons" }
+          transfer: {amount: 3600, reason: 'because of reasons'}
         )
 
         post :create, params: params
@@ -110,8 +110,8 @@
     end
   end
 
-  context "non admins" do
-    it "cannot access step route" do
+  context 'non admins' do
+    it 'cannot access step route' do
       login(member.user)
 
       get :step, params: { step: 1 }
@@ -119,12 +119,13 @@
       expect(response).not_to have_http_status(:success)
     end
 
-    it "cannot access create route" do
+    it 'cannot access create route' do
       login(member.user)
 
       post :create
 
-      expect(response).to redirect_to("/")
+      expect(response).to redirect_to('/')
     end
   end
 end
+
diff --git a/spec/controllers/offers_controller_spec.rb b/spec/controllers/offers_controller_spec.rb
index bff601f8c..d8b1319e0 100644
--- a/spec/controllers/offers_controller_spec.rb
+++ b/spec/controllers/offers_controller_spec.rb
@@ -74,13 +74,13 @@
     end
 
     it "populates an array of offers" do
-      get :index, params: { q: "compañeros" }
+      get :index, params: { q: 'compañeros' }
 
       expect(assigns(:offers)).to eq([offer])
     end
 
     it "allows to search by partial word" do
-      get :index, params: { q: "compañ" }
+      get :index, params: { q: 'compañ' }
 
       expect(assigns(:offers)).to eq([offer])
     end
@@ -122,48 +122,48 @@
     end
   end
 
-  describe "GET #show" do
-    context "when the user is logged in" do
+  describe 'GET #show' do
+    context 'when the user is logged in' do
       before { login(another_member.user) }
 
-      context "when the requested offer" do
-        context "is not active" do
+      context 'when the requested offer' do
+        context 'is not active' do
           before do
             offer.active = false
             offer.save!
           end
 
-          it "renders the 404 page" do
+          it 'renders the 404 page' do
             get :show, params: { id: offer.id }
             expect(response.status).to eq(404)
           end
         end
 
-        context "is active" do
-          context "and the user that created the offer is not active anymore" do
+        context 'is active' do
+          context 'and the user that created the offer is not active anymore' do
             before do
               member.active = false
               member.save!
             end
 
-            it "renders the 404 page" do
+            it 'renders the 404 page' do
               get :show, params: { id: offer.id }
               expect(response.status).to eq(404)
             end
           end
 
-          context "and the user that created the offer is active" do
-            it "renders a successful response" do
+          context 'and the user that created the offer is active' do
+            it 'renders a successful response' do
               get :show, params: { id: offer.id }
               expect(response.status).to eq(200)
             end
 
-            it "assigns the requested offer to @offer" do
+            it 'assigns the requested offer to @offer' do
               get :show, params: { id: offer.id }
               expect(assigns(:offer)).to eq(offer)
             end
 
-            it "assigns the account destination of the transfer" do
+            it 'assigns the account destination of the transfer' do
               get :show, params: { id: offer.id }
               expect(assigns(:destination_account)).to eq(member.account)
             end
@@ -171,8 +171,8 @@
         end
       end
 
-      context "when the user pertains to multiple organizations" do
-        context "and user's current organization is different than offer's organization" do
+      context 'when the user pertains to multiple organizations' do
+        context 'and user\'s current organization is different than offer\'s organization' do
           let(:another_organization) { Fabricate(:organization) }
 
           before do
@@ -180,7 +180,7 @@
             allow(controller).to receive(:@current_organization).and_return(another_organization)
           end
 
-          it "sets the offer's organization as user's current organization" do
+          it 'sets the offer\'s organization as user\'s current organization' do
             get :show, params: { id: offer.id }
             expect(session[:current_organization_id]).to eq(offer.organization_id)
             expect(assigns(:current_organization)).to eq(offer.organization)
@@ -189,17 +189,18 @@
       end
     end
 
-    context "when the user is not a member of the organization where the offer is published" do
+    context 'when the user is not a member of the organization where the offer is published' do
       let(:another_user) { Fabricate(:user) }
 
       before { login(another_user) }
     end
 
-    context "when the user is not logged in" do
-      it "assigns the requested offer to @offer" do
+    context 'when the user is not logged in' do
+      it 'assigns the requested offer to @offer' do
         get :show, params: { id: offer.id }
         expect(assigns(:offer)).to eq(offer)
       end
+
     end
   end
 
@@ -211,8 +212,8 @@
 
           expect do
             post "create", params: { offer: { user: another_member.user,
-                                              category_id: test_category,
-                                              title: "New title" } }
+                                    category_id: test_category,
+                                    title: "New title" } }
           end.to change(Offer, :count).by(1)
         end
       end
@@ -233,10 +234,10 @@
           login(member.user)
 
           put "update", params: { id: offer.id, offer: Fabricate.to_params(:offer,
-                                                                           user: member,
-                                                                           title: "New title",
-                                                                           description: "New description",
-                                                                           tag_list: ["foo"]) }
+                                         user: member,
+                                         title: "New title",
+                                         description: "New description",
+                                         tag_list: ["foo"]) }
 
           offer.reload
           expect(offer.title).to eq("New title")
@@ -252,9 +253,9 @@
           login(member.user)
 
           put :update, params: { id: offer.id, offer: Fabricate.to_params(:offer,
-                                                                          user: nil,
-                                                                          title: "New title",
-                                                                          description: "New description") }
+                                         user: nil,
+                                         title: "New title",
+                                         description: "New description") }
 
           expect(offer.title).not_to eq("New title")
           expect(offer.description).not_to eq("New description")
diff --git a/spec/controllers/organizations_controller_spec.rb b/spec/controllers/organizations_controller_spec.rb
index 5f4ecf471..e09b320d7 100644
--- a/spec/controllers/organizations_controller_spec.rb
+++ b/spec/controllers/organizations_controller_spec.rb
@@ -4,16 +4,16 @@
   let(:member) { Fabricate(:member, organization: organization) }
   let(:user) { member.user }
 
-  describe "GET #index" do
-    context "without parameters" do
-      it "populates and array of organizations" do
+  describe 'GET #index' do
+    context 'without parameters' do
+      it 'populates and array of organizations' do
         get :index
 
         expect(assigns(:organizations)).to include(organization, second_organization)
       end
     end
 
-    context "a search is made" do
+    context 'a search is made' do
       before do
         second_organization.name = "Banco del tiempo Doe"
         second_organization.city = "Sevilla"
@@ -25,47 +25,47 @@
         organization.save!
       end
 
-      it "populates an array of organizations searching by city" do
-        get :index, params: { q: "Sevilla" }
+      it 'populates an array of organizations searching by city' do
+        get :index, params: { q: 'Sevilla' }
 
         expect(assigns(:organizations)).to eq([second_organization])
       end
 
-      it "populates an array of organizations searching by name" do
-        get :index, params: { q: "Doe" }
+      it 'populates an array of organizations searching by name' do
+        get :index, params: { q: 'Doe' }
 
         expect(assigns(:organizations)).to eq([second_organization])
       end
 
-      it "populates an array of organizations searching by address" do
-        get :index, params: { q: "gloria" }
+      it 'populates an array of organizations searching by address' do
+        get :index, params: { q: 'gloria' }
 
         expect(assigns(:organizations)).to eq([second_organization])
       end
 
-      it "populates an array of organizations searching by neighborhood" do
-        get :index, params: { q: "Paz" }
+      it 'populates an array of organizations searching by neighborhood' do
+        get :index, params: { q: 'Paz' }
 
         expect(assigns(:organizations)).to eq([organization, second_organization])
       end
 
-      it "allows to search by partial word" do
-        get :index, params: { q: "Sev" }
+      it 'allows to search by partial word' do
+        get :index, params: { q: 'Sev' }
 
         expect(assigns(:organizations)).to eq([second_organization])
       end
 
-      it "populates an array of organizations ignoring accents" do
-        get :index, params: { q: "Sevillá" }
+      it 'populates an array of organizations ignoring accents' do
+        get :index, params: { q: 'Sevillá' }
 
         expect(assigns(:organizations)).to eq([second_organization])
       end
     end
 
-    context "a user is logged" do
+    context 'a user is logged' do
       before { login(member.user) }
 
-      it "populates an array of user organizations" do
+      it 'populates an array of user organizations' do
         get :index
 
         expect(assigns(:user_organizations)).to include(member.organization)
@@ -74,17 +74,17 @@
     end
   end
 
-  describe "GET #show" do
-    it "displays the organization page" do
-      get "show", params: { id: organization.id }
+  describe 'GET #show' do
+    it 'displays the organization page' do
+      get 'show', params: { id: organization.id }
 
       expect(assigns(:organization)).to eq(organization)
       expect(response.status).to eq(200)
     end
   end
 
-  describe "GET #select_organization" do
-    it "it shows the organizations in which the user is a member" do
+  describe 'GET #select_organization' do
+    it 'it shows the organizations in which the user is a member' do
       login(member.user)
 
       get :select_organization
@@ -94,35 +94,35 @@
     end
   end
 
-  describe "POST #update" do
-    context "with a logged user (admins organization)" do
+  describe 'POST #update' do
+    context 'with a logged user (admins organization)' do
       let(:member) { Fabricate(:member, organization: organization, manager: true) }
 
-      it "allows to update organization" do
+      it 'allows to update organization' do
         login(member.user)
 
-        post :update, params: { id: organization.id, organization: { name: "New org name" } }
+        post :update, params: { id: organization.id, organization: { name: 'New org name' } }
 
         organization.reload
-        expect(organization.name).to eq("New org name")
+        expect(organization.name).to eq('New org name')
       end
     end
 
-    context "without a logged user" do
-      it "does not allow to update organization" do
-        post :update, params: { id: organization.id, organization: { name: "New org name" } }
+    context 'without a logged user' do
+      it 'does not allow to update organization' do
+        post :update, params: { id: organization.id, organization: { name: 'New org name' } }
 
         expect(response).to redirect_to(root_path)
-        expect(flash[:error]).to eq("You are not authorized to perform this action.")
+        expect(flash[:error]).to eq('You are not authorized to perform this action.')
       end
     end
   end
 
-  describe "#set_current" do
+  describe '#set_current' do
     before { login(user) }
 
-    it "stores the given organization as current organization in session" do
-      post "set_current", params: { id: organization.id }
+    it 'stores the given organization as current organization in session' do
+      post 'set_current', params: { id: organization.id }
 
       expect(session[:current_organization_id]).to eq(organization.id)
     end
diff --git a/spec/controllers/pages_controller_spec.rb b/spec/controllers/pages_controller_spec.rb
index 9abe843b6..eba90f4ed 100644
--- a/spec/controllers/pages_controller_spec.rb
+++ b/spec/controllers/pages_controller_spec.rb
@@ -1,12 +1,12 @@
 RSpec.describe PagesController do
-  describe "#show" do
-    it "renders the page successfully" do
+  describe '#show' do
+    it 'renders the page successfully' do
       get :show, params: { page: :about }
 
       expect(response).to render_template(:about)
     end
 
-    it "returns a 404 if the page does not exist" do
+    it 'returns a 404 if the page does not exist' do
       get :show, params: { page: :foo }
 
       expect(response.status).to eq(404)
diff --git a/spec/controllers/petitions_controller_spec.rb b/spec/controllers/petitions_controller_spec.rb
index b16c80b2f..0d7bb916c 100644
--- a/spec/controllers/petitions_controller_spec.rb
+++ b/spec/controllers/petitions_controller_spec.rb
@@ -3,11 +3,11 @@
   let(:user) { Fabricate(:user) }
   let!(:admin) { Fabricate(:member, organization: organization, manager: true) }
 
-  describe "POST #create" do
+  describe 'POST #create' do
     before { login(user) }
 
-    it "creates the petition" do
-      request.env["HTTP_REFERER"] = organizations_path
+    it 'creates the petition' do
+      request.env['HTTP_REFERER'] = organizations_path
 
       expect do
         post :create, params: { user_id: user.id, organization_id: organization.id }
@@ -16,34 +16,34 @@
     end
   end
 
-  describe "PUT #update" do
+  describe 'PUT #update' do
     before { login(admin.user) }
-    let(:petition) { Petition.create(user: user, organization: organization, status: "pending") }
+    let(:petition) { Petition.create(user: user, organization: organization, status: 'pending') }
 
-    it "decline the petition" do
-      put :update, params: { status: "declined", id: petition.id }
+    it 'decline the petition' do
+      put :update, params: { status: 'declined', id: petition.id }
 
       petition.reload
-      expect(petition.status).to eq("declined")
+      expect(petition.status).to eq('declined')
     end
 
-    it "accept the petition and add the user to the org" do
-      put :update, params: { status: "accepted", id: petition.id }
+    it 'accept the petition and add the user to the org' do
+      put :update, params: { status: 'accepted', id: petition.id }
 
       petition.reload
       expect(user.members.last.organization.id).to eq(organization.id)
-      expect(petition.status).to eq("accepted")
+      expect(petition.status).to eq('accepted')
     end
   end
 
-  describe "GET #manage" do
+  describe 'GET #manage' do
     before do
       allow(controller).to receive(:current_organization) { organization }
       login(admin.user)
     end
-    let!(:petition) { Petition.create(user: user, organization: organization, status: "pending") }
+    let!(:petition) { Petition.create(user: user, organization: organization, status: 'pending') }
 
-    it "populates a list of users with pending petitions" do
+    it 'populates a list of users with pending petitions' do
       get :manage
 
       expect(assigns(:users)).to include(user)
diff --git a/spec/controllers/reports_controller_spec.rb b/spec/controllers/reports_controller_spec.rb
index 231f92749..369402369 100644
--- a/spec/controllers/reports_controller_spec.rb
+++ b/spec/controllers/reports_controller_spec.rb
@@ -23,20 +23,20 @@
     end
   end
 
-  context "with a logged user" do
+  context 'with a logged user' do
     before { login(member1.user) }
 
-    describe "GET #user_list" do
-      it "downloads a csv" do
-        get :user_list, params: { format: "csv" }
+    describe 'GET #user_list' do
+      it 'downloads a csv' do
+        get :user_list, params: { format: 'csv' }
 
         report = Report::Csv::Member.new(test_organization, test_organization.members.active)
         expect(response.body).to match(report.run)
         expect(response.media_type).to eq("text/csv")
       end
 
-      it "downloads a pdf" do
-        get :user_list, params: { format: "pdf" }
+      it 'downloads a pdf' do
+        get :user_list, params: { format: 'pdf' }
 
         report = Report::Pdf::Member.new(test_organization, test_organization.members.active)
         expect(response.body).to eq(report.run)
@@ -44,27 +44,27 @@
       end
     end
 
-    describe "GET #post_list" do
+    describe 'GET #post_list' do
       let(:report_posts) { test_organization.posts.of_active_members.group_by(&:category) }
 
-      it "do NOT show the inactive members" do
-        get :post_list, params: { type: "offer" }
+      it 'do NOT show the inactive members' do
+        get :post_list, params: { type: 'offer' }
 
         posts = assigns(:posts)[0][1]
         expect(posts.size).to eq(active_organization_offers.size)
         expect(posts.map(&:id)).to match_array(active_organization_offers.map(&:id))
       end
 
-      it "downloads a csv" do
-        get :post_list, params: { type: "offer", format: "csv" }
+      it 'downloads a csv' do
+        get :post_list, params: { type: 'offer', format: 'csv' }
 
         report = Report::Csv::Post.new(test_organization, report_posts, Offer)
         expect(response.body).to eq(report.run)
         expect(response.media_type).to eq("text/csv")
       end
 
-      it "downloads a pdf" do
-        get :post_list, params: { type: "offer", format: "pdf" }
+      it 'downloads a pdf' do
+        get :post_list, params: { type: 'offer', format: 'pdf' }
 
         report = Report::Pdf::Post.new(test_organization, report_posts, Offer)
         expect(response.body).to eq(report.run)
@@ -72,17 +72,17 @@
       end
     end
 
-    describe "GET #transfer_list" do
-      it "downloads a csv" do
-        get :transfer_list, params: { format: "csv" }
+    describe 'GET #transfer_list' do
+      it 'downloads a csv' do
+        get :transfer_list, params: { format: 'csv' }
 
         report = Report::Csv::Transfer.new(test_organization, test_organization.all_transfers)
         expect(response.body).to eq(report.run)
         expect(response.media_type).to eq("text/csv")
       end
 
-      it "downloads a pdf" do
-        get :transfer_list, params: { format: "pdf" }
+      it 'downloads a pdf' do
+        get :transfer_list, params: { format: 'pdf' }
 
         report = Report::Pdf::Transfer.new(test_organization, test_organization.all_transfers)
         expect(response.body).to eq(report.run)
@@ -90,18 +90,18 @@
       end
     end
 
-    describe "GET #download_all" do
-      it "downloads a zip" do
+    describe 'GET #download_all' do
+      it 'downloads a zip' do
         get :download_all
 
-        expect(response.media_type).to eq("application/zip")
-        expect(response.body).to include("Inquiries")
-        expect(response.body).to include("Offers")
-        expect(response.body).to include("Members")
-        expect(response.body).to include("Transfers")
+        expect(response.media_type).to eq('application/zip')
+        expect(response.body).to include('Inquiries')
+        expect(response.body).to include('Offers')
+        expect(response.body).to include('Members')
+        expect(response.body).to include('Transfers')
       end
 
-      it "redirects to download_all_report_path (retry) if zip is not ready" do
+      it 'redirects to download_all_report_path (retry) if zip is not ready' do
         allow(subject).to receive(:add_csv_to_zip).and_raise(Errno::ENOENT)
         get :download_all
 
diff --git a/spec/controllers/sessions_controller_spec.rb b/spec/controllers/sessions_controller_spec.rb
index d65837b54..aa52e9a52 100644
--- a/spec/controllers/sessions_controller_spec.rb
+++ b/spec/controllers/sessions_controller_spec.rb
@@ -1,18 +1,18 @@
 RSpec.describe SessionsController do
-  let(:user) { Fabricate(:user, password: "papapa22", password_confirmation: "papapa22") }
+  let(:user) { Fabricate(:user, password: 'papapa22', password_confirmation: 'papapa22') }
 
   before do
     request.env["devise.mapping"] = Devise.mappings[:user]
   end
 
-  describe "#create" do
-    it "does not show a notice flash message" do
+  describe '#create' do
+    it 'does not show a notice flash message' do
       post :create, params: { user: { email: user.email, password: user.password } }
 
       expect(flash[:notice]).to be_nil
     end
 
-    it "redirects to the previous page" do
+    it 'redirects to the previous page' do
       session["user_return_to"] = offers_path
 
       post :create, params: { user: { email: user.email, password: user.password } }
@@ -21,12 +21,12 @@
     end
   end
 
-  describe "#destroy" do
+  describe '#destroy' do
     before do
       post :create, params: { user: { email: user.email, password: user.password } }
     end
 
-    it "does not show a notice flash message" do
+    it 'does not show a notice flash message' do
       delete :destroy
 
       expect(flash[:notice]).to be_nil
diff --git a/spec/controllers/statistics_controller_spec.rb b/spec/controllers/statistics_controller_spec.rb
index 690c3e816..9907d7bc0 100644
--- a/spec/controllers/statistics_controller_spec.rb
+++ b/spec/controllers/statistics_controller_spec.rb
@@ -1,12 +1,12 @@
 RSpec.describe StatisticsController do
   let(:organization) { Fabricate(:organization) }
-  let(:user) { Fabricate(:user, date_of_birth: "1980-1-1", gender: "others") }
+  let(:user) { Fabricate(:user, date_of_birth: '1980-1-1', gender: 'others') }
   let(:member) { Fabricate(:member, organization: organization, user: user) }
 
   before(:each) { login(member.user) }
 
-  describe "GET #all_transfers" do
-    it "populates all transfers from current organization" do
+  describe 'GET #all_transfers' do
+    it 'populates all transfers from current organization' do
       transfer = Fabricate(:transfer, source: organization.account, destination: member.account)
       transfer2 = Fabricate(:transfer)
 
@@ -16,8 +16,8 @@
     end
   end
 
-  describe "GET #global_activity" do
-    it "populates some variables" do
+  describe 'GET #global_activity' do
+    it 'populates some variables' do
       2.times { Fabricate(:transfer, source: organization.account, destination: member.account) }
 
       get :global_activity
@@ -27,24 +27,22 @@
     end
   end
 
-  describe "GET #type_swaps" do
-    it "populates offers variable" do
+  describe 'GET #type_swaps' do
+    it 'populates offers variable' do
       category = Fabricate(:category)
-      Fabricate(:offer, organization: organization, user: member.user, category: category,
-                        tag_list: ["foo"])
-      Fabricate(:transfer, source: organization.account, destination: member.account,
-                           post: Offer.all.sample)
+      Fabricate(:offer, organization: organization, user: member.user, category: category, tag_list: ["foo"])
+      Fabricate(:transfer, source: organization.account, destination: member.account, post: Offer.all.sample)
 
       get :type_swaps
 
       expect(assigns(:offers)).to eq([
-                                       [category.name, "foo", 10, 1, 1.0]
-                                     ])
+        [category.name, "foo", 10, 1, 1.0]
+      ])
     end
   end
 
-  describe "GET #demographics" do
-    it "populates age_counts and gender_counts variables" do
+  describe 'GET #demographics' do
+    it 'populates age_counts and gender_counts variables' do
       get :demographics
 
       expect(assigns(:age_counts)).to eq({ "35-44" => 1 })
diff --git a/spec/controllers/tags_controller_spec.rb b/spec/controllers/tags_controller_spec.rb
index 8048c072a..412445d88 100644
--- a/spec/controllers/tags_controller_spec.rb
+++ b/spec/controllers/tags_controller_spec.rb
@@ -5,9 +5,7 @@
   let (:organization) { Fabricate(:organization) }
   let (:member) { Fabricate(:member, organization: organization, tags: member_tags) }
   let! (:offer) { Fabricate(:offer, user: member.user, organization: organization, tags: tags) }
-  let! (:inquiry) do
-    Fabricate(:inquiry, user: member.user, organization: organization, tags: more_tags)
-  end
+  let! (:inquiry) { Fabricate(:inquiry, user: member.user, organization: organization, tags: more_tags) }
 
   before(:each) do
     login(member.user)
@@ -55,27 +53,27 @@
       get :alpha_grouped_index
 
       expect(assigns(:tags)).to eq({
-                                     "H" => [["html", 2], ["html5", 1]],
-                                     "C" => [["css", 1]]
-                                   })
+        "H" => [["html", 2], ["html5", 1]],
+        "C" => [["css", 1]]
+      })
     end
 
     it "load offer tags" do
       get :alpha_grouped_index, params: { post_type: "offer" }
 
       expect(assigns(:tags)).to eq({
-                                     "B" => [["bar", 1], ["baz", 1]],
-                                     "F" => [["foo", 1]]
-                                   })
+        "B" => [["bar", 1], ["baz", 1]],
+        "F" => [["foo", 1]]
+      })
     end
 
     it "load inquiries tags" do
       get :alpha_grouped_index, params: { post_type: "inquiry" }
 
       expect(assigns(:tags)).to eq({
-                                     "J" => [["js", 1]],
-                                     "R" => [["rails", 1], ["ruby", 1]]
-                                   })
+        "J" => [["js", 1]],
+        "R" => [["rails", 1], ["ruby", 1]]
+      })
     end
 
     it "renders a partial with format js" do
diff --git a/spec/controllers/transfers_controller_spec.rb b/spec/controllers/transfers_controller_spec.rb
index af00858bd..a034f778c 100644
--- a/spec/controllers/transfers_controller_spec.rb
+++ b/spec/controllers/transfers_controller_spec.rb
@@ -4,12 +4,12 @@
   let (:member_giver) { Fabricate(:member, organization: test_organization) }
   let (:member_taker) { Fabricate(:member, organization: test_organization) }
 
-  describe "#new" do
+  describe '#new' do
     let(:user) { member_giver.user }
 
     before { login(user) }
 
-    context "when the destination is a user account" do
+    context 'when the destination is a user account' do
       let(:user_account) do
         user.members.find_by(organization: user.organizations.first).account
       end
@@ -20,48 +20,48 @@
         }
       end
 
-      it "finds the accountable" do
+      it 'finds the accountable' do
         get :new, params: params
-        expect(response.body).
-          to include("<a href=\"/members/#{member_giver.user.id}\">#{member_giver.display_name_with_uid}</a>")
+        expect(response.body)
+          .to include("<a href=\"/members/#{member_giver.user.id}\">#{member_giver.display_name_with_uid}</a>")
       end
 
-      it "finds the destination account" do
+      it 'finds the destination account' do
         get :new, params: params
         expect(response.body).to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{user_account.id}\" name=\"transfer[destination]\" id=\"transfer_destination\" />")
       end
 
-      it "builds a transfer with the id of the destination" do
+      it 'builds a transfer with the id of the destination' do
         get :new, params: params
-        expect(response.body).
-          to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{user_account.id}\" name=\"transfer[destination]\" id=\"transfer_destination\" />")
+        expect(response.body)
+          .to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{user_account.id}\" name=\"transfer[destination]\" id=\"transfer_destination\" />")
       end
 
-      context "when the offer is specified" do
+      context 'when the offer is specified' do
         let(:offer) { Fabricate(:offer, organization: user.organizations.first) }
 
-        it "finds the transfer offer" do
+        it 'finds the transfer offer' do
           get :new, params: params.merge(offer: offer.id)
           expect(response.body).to include("<h3>#{offer}</h3>")
         end
 
-        it "builds a transfer with the offer as post" do
+        it 'builds a transfer with the offer as post' do
           get :new, params: params.merge(offer: offer.id)
           expect(response.body).to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{offer.id}\" name=\"transfer[post_id]\" id=\"transfer_post_id\" />")
         end
       end
 
-      context "when the offer is not specified" do
-        it "does not find any offer" do
+      context 'when the offer is not specified' do
+        it 'does not find any offer' do
           get :new, params: params
           expect(response.body).to include('<option value="" label=" ">')
         end
       end
 
-      context "when the user is admin of the current organization" do
+      context 'when the user is admin of the current organization' do
         let(:user) { member_admin.user }
 
-        it "finds all accounts in the organization as sources" do
+        it 'finds all accounts in the organization as sources' do
           get :new, params: params
 
           expect(response.body).to include("<select id=\"select2\" class=\"form-control\" name=\"transfer[source]\"><option selected=\"selected\" value=\"#{member_admin.account.id}\">#{member_admin.member_uid} Member #{member_admin}</option>")
@@ -69,16 +69,16 @@
         end
       end
 
-      context "when the user is not admin of the current organization" do
-        it "does not assign :sources" do
+      context 'when the user is not admin of the current organization' do
+        it 'does not assign :sources' do
           get :new, params: params
-          expect(response.body).
-            not_to include("<select id=\"select2\" class=\"form-control\" name=\"transfer[source]\">")
+          expect(response.body)
+            .not_to include("<select id=\"select2\" class=\"form-control\" name=\"transfer[source]\">")
         end
       end
     end
 
-    context "when the destination is an organization account" do
+    context 'when the destination is an organization account' do
       let(:params) do
         {
           id: test_organization.id,
@@ -86,31 +86,31 @@
         }
       end
 
-      it "finds the accountable" do
+      it 'finds the accountable' do
         get :new, params: params
-        expect(response.body).
-          to include("<a href=\"/organizations/#{test_organization.id}\">#{test_organization}</a>")
+        expect(response.body)
+          .to include("<a href=\"/organizations/#{test_organization.id}\">#{test_organization}</a>")
       end
 
-      it "finds the destination account" do
+      it 'finds the destination account' do
         get :new, params: params
         expect(response.body).to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{test_organization.account.id}\" name=\"transfer[destination]\" id=\"transfer_destination\" />")
       end
 
-      it "builds a transfer with the id of the destination" do
+      it 'builds a transfer with the id of the destination' do
         get :new, params: params
-        expect(response.body).
-          to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{test_organization.account.id}\" name=\"transfer[destination]\" id=\"transfer_destination\" />")
+        expect(response.body)
+          .to include("<input class=\"form-control hidden form-control\" autocomplete=\"off\" type=\"hidden\" value=\"#{test_organization.account.id}\" name=\"transfer[destination]\" id=\"transfer_destination\" />")
       end
 
-      context "when the user is the admin of the current organization" do
+      context 'when the user is the admin of the current organization' do
         let(:user) { member_admin.user }
 
-        it "renders the page successfully" do
-          expect(get(:new, params: params)).to be_ok
+        it 'renders the page successfully' do
+          expect(get :new, params: params).to be_ok
         end
 
-        it "finds the transfer source" do
+        it 'finds the transfer source' do
           get :new, params: params
 
           expect(response.body).to include("<select id=\"select2\" class=\"form-control\" name=\"transfer[source]\"><option selected=\"selected\" value=\"#{member_admin.account.id}\">#{member_admin.member_uid} Member #{member_admin}</option>")
@@ -118,10 +118,10 @@
         end
       end
 
-      context "when an offer is specified" do
+      context 'when an offer is specified' do
         let(:offer) { Fabricate(:offer, organization: test_organization) }
 
-        it "finds the transfer offer" do
+        it 'finds the transfer offer' do
           get :new, params: params.merge(offer: offer.id)
           expect(response.body).to include("<h3>#{offer}</h3>")
         end
@@ -129,13 +129,13 @@
     end
   end
 
-  describe "POST #create" do
+  describe 'POST #create' do
     before { login(user) }
 
-    context "with valid params" do
-      context "with an admin user logged" do
+    context 'with valid params' do
+      context 'with an admin user logged' do
         subject(:post_create) do
-          post "create", params: { transfer: {
+          post 'create', params: { transfer: {
             source: member_giver.account.id,
             destination: member_taker.account.id,
             amount: 5
@@ -144,15 +144,15 @@
 
         let(:user) { member_admin.user }
 
-        it "creates a new Transfer" do
+        it 'creates a new Transfer' do
           expect { post_create }.to change(Transfer, :count).by 1
         end
 
-        it "creates two Movements" do
+        it 'creates two Movements' do
           expect { post_create }.to change { Movement.count }.by 2
         end
 
-        it "updates the balance of both accounts" do
+        it 'updates the balance of both accounts' do
           expect do
             post_create
             member_giver.reload
@@ -165,9 +165,9 @@
         end
       end
 
-      context "with a regular user logged" do
+      context 'with a regular user logged' do
         subject(:post_create) do
-          post "create", params: { transfer: {
+          post 'create', params: { transfer: {
             destination: member_taker.account.id,
             amount: 5
           } }
@@ -175,15 +175,15 @@
 
         let(:user) { member_giver.user }
 
-        it "creates a new Transfer" do
+        it 'creates a new Transfer' do
           expect { post_create }.to change(Transfer, :count).by 1
         end
 
-        it "creates two Movements" do
+        it 'creates two Movements' do
           expect { post_create }.to change { Movement.count }.by 2
         end
 
-        it "updates the balance of both accounts" do
+        it 'updates the balance of both accounts' do
           expect do
             post_create
             member_giver.reload
@@ -195,13 +195,13 @@
           end.to change { member_taker.account.balance.to_i }.by 5
         end
 
-        it "redirects to destination" do
+        it 'redirects to destination' do
           expect(post_create).to redirect_to(member_taker.user)
         end
       end
     end
 
-    context "with invalid params" do
+    context 'with invalid params' do
       let(:user) { member_giver.user }
       let(:referer) { "/transfers/new?destination_account_id=#{member_taker.account.id}" }
 
@@ -209,10 +209,10 @@
         request.env["HTTP_REFERER"] = referer
       end
 
-      it "does not create any Transfer and redirects to back if the amount is 0" do
-        expect do
+      it 'does not create any Transfer and redirects to back if the amount is 0' do
+        expect {
           post(:create, params: { transfer: { amount: 0, destination: member_taker.account.id } })
-        end.not_to change(Transfer, :count)
+        }.not_to change(Transfer, :count)
 
         expect(response).to redirect_to(referer)
       end
diff --git a/spec/controllers/users_controller_spec.rb b/spec/controllers/users_controller_spec.rb
index ae8aded04..b715a4f9a 100644
--- a/spec/controllers/users_controller_spec.rb
+++ b/spec/controllers/users_controller_spec.rb
@@ -30,7 +30,7 @@
               organization: test_organization,
               active: false,
               manager: false)
-  end
+    end
 
   let!(:user) { member.user }
   let!(:another_user) { another_member.user }
@@ -42,7 +42,7 @@
   describe "GET #index" do
     before { login(user) }
 
-    it "sorts the users by their last_sign_in_at desc by default" do
+    it 'sorts the users by their last_sign_in_at desc by default' do
       member.user.update_column(:last_sign_in_at, DateTime.now)
       another_member.user.update_column(:last_sign_in_at, nil)
 
@@ -52,7 +52,7 @@
       expect(assigns(:members).last).to eq(another_member)
     end
 
-    it "allows to sort by member_uid" do
+    it 'allows to sort by member_uid' do
       member.increment!(:member_uid, Member.maximum(:member_uid) + 1)
 
       get :index, params: { q: { s: "member_uid desc" } }
@@ -60,24 +60,24 @@
       expect(assigns(:members).first).to eq(member)
     end
 
-    context "when a user has many memberships" do
+    context 'when a user has many memberships' do
       let!(:member_in_another_organization) { Fabricate(:member, user: user) }
 
       before do
         member.account.update_attribute(
           :balance,
-          Time.parse("13:33").seconds_since_midnight
+          Time.parse('13:33').seconds_since_midnight
         )
       end
 
-      it "gets her membership in the current organization" do
+      it 'gets her membership in the current organization' do
         get :index
 
-        expect(assigns(:members)).
-          to eq([member, another_member, member_admin, wrong_email_member, empty_email_member])
+        expect(assigns(:members))
+          .to eq([member, another_member, member_admin, wrong_email_member, empty_email_member])
       end
 
-      it "shows data for her membership in the current organization" do
+      it 'shows data for her membership in the current organization' do
         get :index
         expect(response.body).to include("13:33")
       end
@@ -93,8 +93,8 @@
           user.update!(last_sign_in_at: Time.current - i.days)
         end
 
-        expect(assigns(:members).map(&:user)).
-          to eq(expected_users)
+        expect(assigns(:members).map(&:user))
+          .to eq(expected_users)
       end
     end
 
@@ -104,24 +104,24 @@
 
         get "index"
 
-        expect(assigns(:members).map(&:user)).
-          to eq([user, another_user, admin_user, wrong_user, empty_email_user])
+        expect(assigns(:members).map(&:user))
+          .to eq([user, another_user, admin_user, wrong_user, empty_email_user])
       end
     end
 
-    context "with a member deactivate" do
-      it "is redirected to select organization" do
+    context 'with a member deactivate' do
+      it 'is redirected to select organization' do
         login(deactivate_user)
 
         get :index
 
-        expect(response).to redirect_to("/select_organization")
+        expect(response).to redirect_to('/select_organization')
       end
     end
 
-    context "when searching" do
-      it "allows to search by member_uid" do
-        user = Fabricate(:user, username: "foo", email: "foo@email.com")
+    context 'when searching' do
+      it 'allows to search by member_uid' do
+        user = Fabricate(:user, username: 'foo', email: 'foo@email.com')
         member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000)
 
         get :index, params: { q: { member_search_unaccent_cont: 1000 } }
@@ -129,28 +129,26 @@
         expect(assigns(:members)).to include(member)
       end
 
-      it "allows to search by member tags in searcher" do
-        user = Fabricate(:user, username: "foo", email: "foo@email.com")
-        member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000,
-                                    tags: ["Boss"])
+      it 'allows to search by member tags in searcher' do
+        user = Fabricate(:user, username: 'foo', email: 'foo@email.com')
+        member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000, tags: ["Boss"])
 
         get :index, params: { q: { member_search_unaccent_cont: "Bos" } }
 
         expect(assigns(:members)).to include(member)
       end
 
-      it "allows to search by member tags clicking on one" do
-        user = Fabricate(:user, username: "foo", email: "foo@email.com")
-        member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000,
-                                    tags: ["Boss"])
+      it 'allows to search by member tags clicking on one' do
+        user = Fabricate(:user, username: 'foo', email: 'foo@email.com')
+        member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000, tags: ["Boss"])
 
         get :index, params: { tag: "Boss" }
 
         expect(assigns(:members)).to include(member)
       end
 
-      it "allows to search a member ignoring accents of user's username" do
-        user = Fabricate(:user, username: "fôô", email: "test@email.com")
+      it 'allows to search a member ignoring accents of user\'s username' do
+        user = Fabricate(:user, username: 'fôô', email: 'test@email.com')
         member = Fabricate(:member, user: user, organization: test_organization)
 
         get :index, params: { q: { member_search_unaccent_cont: "foo" } }
@@ -165,7 +163,7 @@
   describe "GET #manage" do
     before { login(user) }
 
-    it "sorts the users by their member_uid asc by default" do
+    it 'sorts the users by their member_uid asc by default' do
       member.increment!(:member_uid, Member.maximum(:member_uid) + 1)
 
       get :manage
@@ -173,25 +171,25 @@
       expect(assigns(:members).last).to eq(member)
     end
 
-    context "when sorting by balance" do
+    context 'when sorting by balance' do
       before do
         member_admin.account.update_attribute(:balance, 3600)
       end
 
-      context "desc" do
-        let(:direction) { "desc" }
+      context 'desc' do
+        let(:direction) { 'desc' }
 
-        it "orders the rows by their balance" do
+        it 'orders the rows by their balance' do
           get :manage, params: { q: { s: "account_balance #{direction}" } }
 
           expect(assigns(:members).pluck(:user_id).first).to eq(admin_user.id)
         end
       end
 
-      context "asc" do
-        let(:direction) { "asc" }
+      context 'asc' do
+        let(:direction) { 'asc' }
 
-        it "orders the rows by their balance" do
+        it 'orders the rows by their balance' do
           get :manage, params: { q: { s: "account_balance #{direction}" } }
 
           expect(assigns(:members).pluck(:user_id).last).to eq(admin_user.id)
@@ -199,8 +197,8 @@
       end
     end
 
-    context "when searching" do
-      it "allows to search by phone" do
+    context 'when searching' do
+      it 'allows to search by phone' do
         user = Fabricate(:user, phone: 123456789)
         member = Fabricate(:member, user: user, organization: test_organization)
 
@@ -209,10 +207,9 @@
         expect(assigns(:members)).to include(member)
       end
 
-      it "allows to search by member tags" do
+      it 'allows to search by member tags' do
         user = Fabricate(:user)
-        member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000,
-                                    tags: ["Boss"])
+        member = Fabricate(:member, user: user, organization: test_organization, member_uid: 1000, tags: ["Boss"])
 
         get :index, params: { q: { member_search_unaccent_cont: "Bos" } }
 
@@ -231,7 +228,7 @@
           expect(assigns(:user)).to eq(user)
         end
 
-        it "links to new_transfer_path for his individual offers" do
+        it 'links to new_transfer_path for his individual offers' do
           offer = Fabricate(:offer, user: user, organization: test_organization)
 
           get "show", params: { id: user.id }
@@ -249,14 +246,14 @@
           expect(assigns(:user)).to eq(user)
         end
 
-        it "links to new_transfer_path" do
+        it 'links to new_transfer_path' do
           get "show", params: { id: user.id }
           expect(response.body).to include(
             "<a href=\"/transfers/new?destination_account_id=#{member.account.id}&amp;id=#{user.id}\">"
           )
         end
 
-        it "links to new_transfer_path for his individual offers" do
+        it 'links to new_transfer_path for his individual offers' do
           offer = Fabricate(:offer, user: user, organization: test_organization)
 
           get "show", params: { id: user.id }
@@ -270,17 +267,19 @@
 
   describe "POST #create" do
     context "with empty email" do
+
       subject do
         post "create", params: { user: Fabricate.to_params(:user,
-                                                           username: user.username + "2",
-                                                           email: "",
-                                                           phone: "1234",
-                                                           alt_phone: "4321") }
+                                       username: user.username + "2",
+                                       email: "",
+                                       phone: "1234",
+                                       alt_phone: "4321") }
       end
 
       before { login(admin_user) }
 
       it "can create a user with empty email and generates dummy email" do
+
         expect { subject }.to change(User, :count).by(1)
 
         u = User.find_by(username: user.username + "2")
@@ -336,18 +335,15 @@
           user.valid?
           expect(user.errors[:email]).not_to be_empty
         end
+
       end
 
-      context "with no logged user" do
-        before do
-          allow_any_instance_of(ActionController::TestRequest).to receive(:referer).and_return(signup_users_path)
-        end
+      context 'with no logged user' do
+        before { allow_any_instance_of(ActionController::TestRequest).to receive(:referer).and_return(signup_users_path) }
 
-        it "creates the user" do
+        it 'creates the user' do
           expect do
-            post :create,
-                 params: { user: Fabricate.to_params(:user, password: "1234test"),
-                           from_signup: "true" }
+            post :create, params: { user: Fabricate.to_params(:user, password: '1234test'), from_signup: 'true' }
           end.to change(User, :count).by(1)
           expect(subject).to redirect_to(terms_path)
         end
@@ -356,9 +352,7 @@
   end
 
   describe "PUT #update" do
-    before do
-      allow_any_instance_of(ActionController::TestRequest).to receive(:referer).and_return("/edit")
-    end
+    before { allow_any_instance_of(ActionController::TestRequest).to receive(:referer).and_return('/edit') }
 
     context "with valid params" do
       context "with a logged" do
@@ -371,11 +365,11 @@
 
           it "changes @user's own attributes" do
             put "update", params: { id: user.id, user: Fabricate.to_params(:user,
-                                                                           username: user.username,
-                                                                           email: user.email,
-                                                                           phone: "1234",
-                                                                           alt_phone: "4321",
-                                                                           postcode: "40000"), tag_list: %w"tag1 tag2" }
+                                          username: user.username,
+                                          email: user.email,
+                                          phone: "1234",
+                                          alt_phone: "4321",
+                                          postcode: "40000"), tag_list: %w"tag1 tag2" }
 
             user.reload
             expect(user.phone).to eq("1234")
@@ -386,10 +380,10 @@
 
           it "cannot change another user's attributes" do
             put "update", params: { id: another_user.id, user: Fabricate.to_params(:user,
-                                                                                   username: another_user.username,
-                                                                                   email: another_user.email,
-                                                                                   phone: "5678",
-                                                                                   alt_phone: "8765") }
+                                          username: another_user.username,
+                                          email: another_user.email,
+                                          phone: "5678",
+                                          alt_phone: "8765") }
 
             user.reload
             expect(user.phone).not_to eq("5678")
@@ -407,11 +401,11 @@
 
           it "changes @user's attributes" do
             put "update", params: { id: user.id, user: Fabricate.to_params(:user,
-                                                                           username: user.username,
-                                                                           email: user.email,
-                                                                           phone: "1234",
-                                                                           alt_phone: "4321",
-                                                                           postcode: "40000"), tag_list: %w"tag1 tag2" }
+                                          username: user.username,
+                                          email: user.email,
+                                          phone: "1234",
+                                          alt_phone: "4321",
+                                          postcode: "40000"), tag_list: %w"tag1 tag2" }
 
             user.reload
             expect(user.phone).to eq("1234")
@@ -429,10 +423,10 @@
 
         it "does not change @user's attributes" do
           put :update, params: { id: user.id, user: Fabricate.to_params(:user,
-                                                                        username: nil,
-                                                                        email: nil,
-                                                                        phone: "1234",
-                                                                        alt_phone: "4321") }
+                                        username: nil,
+                                        email: nil,
+                                        phone: "1234",
+                                        alt_phone: "4321") }
 
           expect(user.phone).not_to eq("1234")
           expect(user.alt_phone).not_to eq("4321")
@@ -453,8 +447,7 @@
       end
 
       it "change the photo attached @user" do
-        put :update_avatar,
-            params: { avatar: uploaded_file, original_width: 500, height_width: 140 }
+        put :update_avatar, params: { avatar: uploaded_file, original_width: 500, height_width: 140 }
 
         expect(user.avatar.attached?).to eq true
       end
@@ -470,9 +463,7 @@
       end
 
       it "don't change the photo attached if the file size it too big" do
-        allow_any_instance_of(ActionDispatch::Http::UploadedFile).to receive(:size) {
-                                                                       AvatarGenerator::MAX_SIZE.megabytes + 1.megabyte
-                                                                     }
+        allow_any_instance_of(ActionDispatch::Http::UploadedFile).to receive(:size) { AvatarGenerator::MAX_SIZE.megabytes + 1.megabyte }
 
         put :update_avatar, params: { avatar: uploaded_file }
 
diff --git a/spec/decorators/member_decorator_spec.rb b/spec/decorators/member_decorator_spec.rb
index 773fc6c4f..733e3d850 100644
--- a/spec/decorators/member_decorator_spec.rb
+++ b/spec/decorators/member_decorator_spec.rb
@@ -4,96 +4,96 @@
   let(:view_context) { ApplicationController.new.view_context }
   let(:decorator) { MemberDecorator.new(member, view_context) }
 
-  describe "#row_css_class" do
+  describe '#row_css_class' do
     subject { decorator.row_css_class }
 
-    context "active member" do
+    context 'active member' do
       it { is_expected.to be_nil }
     end
 
-    context "inactive member" do
+    context 'inactive member' do
       before { member.update(active: false) }
-      it { is_expected.to eq("bg-danger") }
+      it { is_expected.to eq('bg-danger') }
     end
   end
 
-  describe "#inactive_icon" do
+  describe '#inactive_icon' do
     subject { decorator.inactive_icon }
 
-    context "active member" do
+    context 'active member' do
       it { is_expected.to be_nil }
     end
 
-    context "inactive member" do
+    context 'inactive member' do
       before { member.update(active: false) }
-      it { is_expected.to match("icon") }
+      it { is_expected.to match('icon') }
     end
   end
 
-  describe "#link_to_self" do
+  describe '#link_to_self' do
     subject { decorator.link_to_self }
-    it { is_expected.to match("members/#{member.user.id}") }
+    it { is_expected.to match("members/#{member.user.id}")}
   end
 
-  describe "#mail_to" do
+  describe '#mail_to' do
     subject { decorator.mail_to }
 
-    context "with standard email" do
-      let(:email) { "foobar@gmail.com" }
+    context 'with standard email' do
+      let(:email) { 'foobar@gmail.com' }
 
-      context "unconfirmed" do
+      context 'unconfirmed' do
         before { member.user.update(unconfirmed_email: email) }
-        it { is_expected.to include("mailto:foobar@gmail.com") }
+        it { is_expected.to include('mailto:foobar@gmail.com') }
       end
 
-      context "confirmed" do
+      context 'confirmed' do
         before { member.user.update(email: email) }
-        it { is_expected.to include("mailto:foobar@gmail.com") }
+        it { is_expected.to include('mailto:foobar@gmail.com') }
       end
     end
 
-    context "with placeholder email" do
-      let(:email) { "foobar@example.com" }
+    context 'with placeholder email' do
+      let(:email) { 'foobar@example.com' }
 
-      context "unconfirmed" do
+      context 'unconfirmed' do
         before { member.user.update(unconfirmed_email: email) }
         it { is_expected.to be_nil }
       end
 
-      context "confirmed" do
+      context 'confirmed' do
         before { member.user.update(email: email) }
         it { is_expected.to be_nil }
       end
     end
   end
 
-  describe "#account_balance" do
+  describe '#account_balance' do
     subject { decorator.account_balance }
-    it { is_expected.to eq("&mdash;") }
+    it { is_expected.to eq('&mdash;') }
 
-    context "with positive balance" do
+    context 'with positive balance' do
       before { member.account.update_attribute(:balance, 3600) }
-      it { is_expected.to eq("1:00") }
+      it { is_expected.to eq('1:00') }
     end
 
-    context "with negative balance" do
+    context 'with negative balance' do
       before { member.account.update_attribute(:balance, -7500) }
-      it { is_expected.to eq("-2:05") }
+      it { is_expected.to eq('-2:05') }
     end
   end
 
-  describe "#toggle_manager_member_path" do
+  describe '#toggle_manager_member_path' do
     subject { decorator.toggle_manager_member_path }
-    it { is_expected.to include("members/#{member.id}/toggle_manager") }
+    it { is_expected.to include("members/#{member.id}/toggle_manager")}
   end
 
-  describe "#cancel_member_path" do
+  describe '#cancel_member_path' do
     subject { decorator.cancel_member_path }
-    it { is_expected.to include("members/#{member.id}") }
+    it { is_expected.to include("members/#{member.id}")}
   end
 
-  describe "#toggle_active_member_path" do
+  describe '#toggle_active_member_path' do
     subject { decorator.toggle_active_member_path }
-    it { is_expected.to include("members/#{member.id}/toggle_active") }
+    it { is_expected.to include("members/#{member.id}/toggle_active")}
   end
 end
diff --git a/spec/decorators/report/member_decorator_spec.rb b/spec/decorators/report/member_decorator_spec.rb
index 869f11c22..384bde77f 100644
--- a/spec/decorators/report/member_decorator_spec.rb
+++ b/spec/decorators/report/member_decorator_spec.rb
@@ -15,31 +15,31 @@
 
   it "#headers" do
     expect(decorator.headers).to eq([
-                                      "N",
-                                      User.human_attribute_name(:username),
-                                      User.human_attribute_name(:email),
-                                      User.human_attribute_name(:phone),
-                                      User.human_attribute_name(:alt_phone),
-                                      User.human_attribute_name(:created_at),
-                                      User.human_attribute_name(:last_sign_in_at),
-                                      User.human_attribute_name(:locale),
-                                      Account.human_attribute_name(:balance)
-                                    ])
+      "N",
+      User.human_attribute_name(:username),
+      User.human_attribute_name(:email),
+      User.human_attribute_name(:phone),
+      User.human_attribute_name(:alt_phone),
+      User.human_attribute_name(:created_at),
+      User.human_attribute_name(:last_sign_in_at),
+      User.human_attribute_name(:locale),
+      Account.human_attribute_name(:balance)
+    ])
   end
 
   it "#rows" do
     expect(decorator.rows).to eq([
-                                   [
-                                     member.member_uid,
-                                     member.user.username,
-                                     member.user.email_if_real,
-                                     member.user.phone,
-                                     member.user.alt_phone,
-                                     member.user.created_at.to_s,
-                                     member.user.last_sign_in_at.to_s,
-                                     member.user.locale,
-                                     member.account_balance.to_s
-                                   ]
-                                 ])
+      [
+        member.member_uid,
+        member.user.username,
+        member.user.email_if_real,
+        member.user.phone,
+        member.user.alt_phone,
+        member.user.created_at.to_s,
+        member.user.last_sign_in_at.to_s,
+        member.user.locale,
+        member.account_balance.to_s
+      ]
+    ])
   end
 end
diff --git a/spec/decorators/report/post_decorator_spec.rb b/spec/decorators/report/post_decorator_spec.rb
index 760c21a69..d9aa9c099 100644
--- a/spec/decorators/report/post_decorator_spec.rb
+++ b/spec/decorators/report/post_decorator_spec.rb
@@ -24,12 +24,12 @@
 
   it "#headers" do
     expect(decorator.headers).to eq([
-                                      "",
-                                      Offer.model_name.human,
-                                      Post.human_attribute_name(:tag_list),
-                                      User.model_name.human,
-                                      Post.human_attribute_name(:created_at)
-                                    ])
+      "",
+      Offer.model_name.human,
+      Post.human_attribute_name(:tag_list),
+      User.model_name.human,
+      Post.human_attribute_name(:created_at)
+    ])
   end
 
   it "#rows" do
@@ -37,9 +37,8 @@
     offer = org.offers.of_active_members.active.first
 
     expect(decorator.rows).to eq([
-                                   ["", category.name, "", "", ""],
-                                   [offer.id, offer.title, offer.tag_list.to_s, "#{offer.user} (#{offer.member_uid})",
-                                    offer.created_at.to_s]
-                                 ])
+      ["", category.name, "", "", ""],
+      [offer.id, offer.title, offer.tag_list.to_s, "#{offer.user} (#{offer.member_uid})", offer.created_at.to_s]
+    ])
   end
 end
diff --git a/spec/fabricators/device_token_fabricator.rb b/spec/fabricators/device_token_fabricator.rb
index 1c8c84d5b..ad354d147 100644
--- a/spec/fabricators/device_token_fabricator.rb
+++ b/spec/fabricators/device_token_fabricator.rb
@@ -1,3 +1,3 @@
 Fabricator(:device_token) do
-  token "token"
+  token 'token'
 end
diff --git a/spec/fabricators/organization_fabricator.rb b/spec/fabricators/organization_fabricator.rb
index 04f238c51..b446a08a8 100644
--- a/spec/fabricators/organization_fabricator.rb
+++ b/spec/fabricators/organization_fabricator.rb
@@ -1,3 +1,3 @@
 Fabricator(:organization) do
   name { Faker::Company.name }
-end
+end
\ No newline at end of file
diff --git a/spec/fabricators/post_fabricator.rb b/spec/fabricators/post_fabricator.rb
index 5360d2e13..c5871867c 100644
--- a/spec/fabricators/post_fabricator.rb
+++ b/spec/fabricators/post_fabricator.rb
@@ -14,6 +14,7 @@
   description { Faker::Lorem.paragraph }
   category { Fabricate(:category) }
   active { true }
+
 end
 
 Fabricator(:offer) do
diff --git a/spec/fabricators/user_fabricator.rb b/spec/fabricators/user_fabricator.rb
index f2a7c301b..7698cfa01 100644
--- a/spec/fabricators/user_fabricator.rb
+++ b/spec/fabricators/user_fabricator.rb
@@ -4,10 +4,8 @@
   date_of_birth { DateTime.now.utc }
   phone { Faker::PhoneNumber.phone_number }
   alt_phone { Faker::PhoneNumber.cell_phone }
-  address do
-    Faker::Address.street_address + " " + Faker::Address.zip_code + " " + Faker::Address.city + " (" + Faker::Address.state + ")"
-  end
-  gender { %w[male female].sample }
+  address { Faker::Address.street_address + " " + Faker::Address.zip_code + " " + Faker::Address.city + " (" + Faker::Address.state + ")"}
+  gender { ["male", "female"].shuffle.first }
   description { Faker::Lorem.paragraph }
   last_sign_in_at { DateTime.new(2018, 10, 1) }
   terms_accepted_at DateTime.now.utc
diff --git a/spec/features/create_offer_spec.rb b/spec/features/create_offer_spec.rb
index ea7e9c5d8..d0833206c 100644
--- a/spec/features/create_offer_spec.rb
+++ b/spec/features/create_offer_spec.rb
@@ -1,9 +1,9 @@
-RSpec.feature "create offer" do
+RSpec.feature 'create offer' do
   let(:user) do
     user = Fabricate(
       :user,
-      email: "user@timeoverflow.org",
-      password: "papapa22",
+      email: 'user@timeoverflow.org',
+      password: 'papapa22',
       terms_accepted_at: 1.day.from_now
     )
 
@@ -15,20 +15,21 @@
   let(:organization) { Fabricate(:organization) }
 
   let!(:category) do
-    Category.create(name: "le category")
+    Category.create(name: 'le category')
   end
 
-  context "create an offer" do
-    it "can be created" do
+  context 'create an offer' do
+    it 'can be created' do
       sign_in_with(user.email, user.password)
-      click_on I18n.t("activerecord.models.offer.other")
-      click_on I18n.t("helpers.submit.create", model: I18n.t("activerecord.models.offer.one"))
-      fill_in "offer_title", with: "Le title"
-      fill_in "offer_description", with: "Lorem ipsum in the night"
-      select category.name, from: "offer_category_id"
+      click_on I18n.t('activerecord.models.offer.other')
+      click_on I18n.t('helpers.submit.create', model: I18n.t('activerecord.models.offer.one'))
+      fill_in 'offer_title', with: 'Le title'
+      fill_in 'offer_description', with: 'Lorem ipsum in the night'
+      select category.name, from: 'offer_category_id'
 
       # TODO there are two i18n keys for getting "Crear oferta" copy ( one returns 'Crear oferta' and the other 'Crear Oferta' )
-      click_on I18n.t("offers.new.submit", model: I18n.t("activerecord.models.offer.one"))
+      click_on I18n.t('offers.new.submit', model: I18n.t('activerecord.models.offer.one'))
     end
   end
 end
+
diff --git a/spec/features/sign_in_spec.rb b/spec/features/sign_in_spec.rb
index 9487b6d12..1d458e5b7 100644
--- a/spec/features/sign_in_spec.rb
+++ b/spec/features/sign_in_spec.rb
@@ -1,24 +1,24 @@
-RSpec.feature "sign in" do
+RSpec.feature 'sign in' do
   let(:user) do
-    Fabricate(:user, email: "user@timeoverflow.org", password: "papapa22")
+    Fabricate(:user, email: 'user@timeoverflow.org', password: 'papapa22')
   end
 
-  context "with a valid password" do
-    it "signs the user in" do
-      Capybara.current_session.driver.browser.manage.delete_cookie("_timeoverflow_session")
+  context 'with a valid password' do
+    it 'signs the user in' do
+      Capybara.current_session.driver.browser.manage.delete_cookie('_timeoverflow_session')
 
       sign_in_with(user.email, user.password)
 
-      expect(Capybara.current_session.driver.browser.manage.cookie_named("_timeoverflow_session")).to be_truthy
-      expect(page).not_to have_selector(".alert-danger")
+      expect(Capybara.current_session.driver.browser.manage.cookie_named('_timeoverflow_session')).to be_truthy
+      expect(page).not_to have_selector('.alert-danger')
     end
   end
 
-  context "with an invalid password" do
-    it "shows an error" do
-      sign_in_with(user.email, "wrong_password")
+  context 'with an invalid password' do
+    it 'shows an error' do
+      sign_in_with(user.email, 'wrong_password')
 
-      expect(page).to have_selector(".alert-danger")
+      expect(page).to have_selector('.alert-danger')
     end
   end
 end
diff --git a/spec/features/sign_out_spec.rb b/spec/features/sign_out_spec.rb
index 87e80bbd5..0b43a1d79 100644
--- a/spec/features/sign_out_spec.rb
+++ b/spec/features/sign_out_spec.rb
@@ -1,17 +1,17 @@
-RSpec.feature "sign out" do
+RSpec.feature 'sign out' do
   let!(:user) do
     Fabricate(
       :user,
-      email: "user@timeoverflow.org",
-      password: "papapa22",
+      email: 'user@timeoverflow.org',
+      password: 'papapa22',
       terms_accepted_at: 1.day.from_now
     )
   end
 
-  it "signs the user out" do
+  it 'signs the user out' do
     sign_in_with(user.email, user.password)
     click_link user.email
-    click_link I18n.t("application.navbar.sign_out")
+    click_link I18n.t('application.navbar.sign_out')
 
     expect(current_path).to eq(root_path)
   end
diff --git a/spec/features/transfer_spec.rb b/spec/features/transfer_spec.rb
index 9201cb9b0..8dd8b3f6f 100644
--- a/spec/features/transfer_spec.rb
+++ b/spec/features/transfer_spec.rb
@@ -1,9 +1,9 @@
-RSpec.feature "time transfer" do
+RSpec.feature 'time transfer' do
   let(:user) do
     user = Fabricate(
       :user,
-      email: "user@timeoverflow.org",
-      password: "papapa22",
+      email: 'user@timeoverflow.org',
+      password: 'papapa22',
       terms_accepted_at: 1.day.from_now
     )
 
@@ -13,7 +13,7 @@
   end
 
   let(:other_user) do
-    other_user = Fabricate(:user, email: "other_user@timeoverflow.org", password: "papapa22")
+    other_user = Fabricate(:user, email: 'other_user@timeoverflow.org', password: 'papapa22')
 
     other_user.add_to_organization(organization)
     other_user
@@ -21,28 +21,28 @@
 
   let(:organization) { Fabricate(:organization) }
 
-  it "transfers time from one account to another" do
+  it 'transfers time from one account to another' do
     offer = Fabricate(:offer, user: other_user, organization: organization)
     sign_in_with(user.email, user.password)
     navigate_to_member
     navigate_to_transfer_for(offer)
     submit_transfer_form_with(hours: 2)
 
-    expect(page).to have_css(".transactions tr", count: 1, text: "2:00")
+    expect(page).to have_css('.transactions tr', count: 1, text: '2:00')
   end
 
   def submit_transfer_form_with(hours: nil, minutes: nil)
     within transfer_form do
-      fill_in "transfer_hours", with: hours
-      fill_in "transfer_minutes", with: minutes
+      fill_in 'transfer_hours', with: hours
+      fill_in 'transfer_minutes', with: minutes
 
-      click_button "Crear Transferencia"
+      click_button 'Crear Transferencia'
     end
   end
 
   def navigate_to_transfer_for(offer)
     click_link offer.title
-    click_link I18n.t("offers.show.give_time_for")
+    click_link I18n.t('offers.show.give_time_for')
   end
 
   def navigate_to_member
@@ -52,10 +52,10 @@ def navigate_to_member
   end
 
   def members_list
-    find(".to-member-cards")
+    find('.to-member-cards')
   end
 
   def transfer_form
-    find("#new_transfer")
+    find('#new_transfer')
   end
 end
diff --git a/spec/helpers/active_admin_helper_spec.rb b/spec/helpers/active_admin_helper_spec.rb
index 2707d4a22..f7d0971d4 100644
--- a/spec/helpers/active_admin_helper_spec.rb
+++ b/spec/helpers/active_admin_helper_spec.rb
@@ -1,7 +1,7 @@
 RSpec.describe ActiveAdminHelper do
-  describe "#render_translations" do
-    it "renders hash to HTML" do
-      attr_with_translations = { en: "hi", es: "hola" }
+  describe '#render_translations' do
+    it 'renders hash to HTML' do
+      attr_with_translations = { en: 'hi', es: 'hola' }
       expect(helper.render_translations(attr_with_translations)).to eq("<strong>English: </strong><span>hi</span> | <strong>Español: </strong><span>hola</span>")
     end
   end
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index 3f5915d2c..5a46b6d61 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -1,11 +1,10 @@
 RSpec.describe ApplicationHelper do
-  describe "avatar_url" do
-    it "returns the avatar when it is attached" do
+  describe 'avatar_url' do
+    it 'returns the avatar when it is attached' do
       user = Fabricate(:user)
       filename = "image.png"
       temp_file = Tempfile.new(filename)
-      user.avatar.attach(io: File.open(temp_file.path), filename: "name.png",
-                         content_type: "image/png")
+      user.avatar.attach(io: File.open(temp_file.path), filename: 'name.png', content_type: 'image/png')
       temp_file.close
       temp_file.unlink
       img = helper.avatar_url(user, 50)
@@ -15,7 +14,7 @@
       expect(img.blob.filename).to eq("name.png")
     end
 
-    it "returns url to gravatar when there is no avatar attached" do
+    it 'returns url to gravatar when there is no avatar attached' do
       user = Fabricate(:user)
       gravatar_id = Digest::MD5::hexdigest(user.email).downcase
 
@@ -23,13 +22,13 @@
     end
   end
 
-  describe "seconds_to_hm" do
-    it "with 0 returns the default value" do
+  describe 'seconds_to_hm' do
+    it 'with 0 returns the default value' do
       expect(helper.seconds_to_hm(0)).to eq("&mdash;")
       expect(helper.seconds_to_hm(0, 0)).to eq(0)
     end
 
-    it "with non-zero returns specific format" do
+    it 'with non-zero returns specific format' do
       expect(helper.seconds_to_hm(10)).to eq("0:00")
       expect(helper.seconds_to_hm(60)).to eq("0:01")
       expect(helper.seconds_to_hm(-60)).to eq("-0:01")
@@ -37,10 +36,10 @@
     end
   end
 
-  it "alert_class returns specific error classes" do
-    expect(helper.alert_class("error")).to eq("alert-danger")
-    expect(helper.alert_class("alert")).to eq("alert-danger")
-    expect(helper.alert_class("notice")).to eq("alert-success")
-    expect(helper.alert_class("foo")).to eq("alert-info")
+  it 'alert_class returns specific error classes' do
+    expect(helper.alert_class('error')).to eq('alert-danger')
+    expect(helper.alert_class('alert')).to eq('alert-danger')
+    expect(helper.alert_class('notice')).to eq('alert-success')
+    expect(helper.alert_class('foo')).to eq('alert-info')
   end
 end
diff --git a/spec/helpers/glyph_helper_spec.rb b/spec/helpers/glyph_helper_spec.rb
index 7bc68ffed..9338db192 100644
--- a/spec/helpers/glyph_helper_spec.rb
+++ b/spec/helpers/glyph_helper_spec.rb
@@ -1,10 +1,10 @@
 RSpec.describe GlyphHelper do
-  describe "glyph helper" do
-    it "renders an span with glyphicon classes" do
-      expect(helper.glyph("foo")).to match(/<span class="glyphicon glyphicon-foo"><\/span>/)
+  describe 'glyph helper' do
+    it 'renders an span with glyphicon classes' do
+      expect(helper.glyph('foo')).to match(/<span class=\"glyphicon glyphicon-foo\"><\/span>/)
     end
 
-    it "special mappings" do
+    it 'special mappings' do
       sample = GlyphHelper::GLYPHS.to_a.sample[0]
       expect(helper.glyph(sample)).to match(GlyphHelper::GLYPHS[sample])
     end
diff --git a/spec/helpers/posts_helper_spec.rb b/spec/helpers/posts_helper_spec.rb
index cb7ca9a97..87efa5aac 100644
--- a/spec/helpers/posts_helper_spec.rb
+++ b/spec/helpers/posts_helper_spec.rb
@@ -9,7 +9,7 @@
     end
 
     it "returns organization active members with member_uid and name" do
-      expect(helper.members_for_select(offer)).to match(/<option selected.*>#{member.member_uid} #{member.user}<\/option>/)
+      expect(helper.members_for_select(offer)).to match(/<option selected.*>#{member.member_uid} #{member.user.to_s}<\/option>/)
     end
   end
 end
diff --git a/spec/helpers/transfers_helper_spec.rb b/spec/helpers/transfers_helper_spec.rb
index 5d8a07ee2..adb2048af 100644
--- a/spec/helpers/transfers_helper_spec.rb
+++ b/spec/helpers/transfers_helper_spec.rb
@@ -1,21 +1,18 @@
 RSpec.describe TransfersHelper do
-  describe "accounts_from_movements" do
+  describe 'accounts_from_movements' do
     let(:organization) { Fabricate(:organization) }
     let(:member) { Fabricate(:member, organization: organization) }
-    let(:transfer) do
-      Fabricate(:transfer, source: organization.account, destination: member.account)
-    end
+    let(:transfer) { Fabricate(:transfer, source: organization.account, destination: member.account) }
 
-    it "return accounts entries" do
+    it 'return accounts entries' do
       expect(helper.accounts_from_movements(transfer)).to eq([
-                                                               organization.to_s,
-                                                               member.display_name_with_uid
-                                                             ])
+        organization.to_s,
+        member.display_name_with_uid
+      ])
     end
 
-    it "return accounts entries with links" do
-      expect(helper.accounts_from_movements(transfer,
-                                            with_links: true)).to include(/<a href=.*<\/a>/)
+    it 'return accounts entries with links' do
+      expect(helper.accounts_from_movements(transfer, with_links: true)).to include(/<a href=.*<\/a>/)
     end
   end
 end
diff --git a/spec/jobs/create_push_notifications_job_spec.rb b/spec/jobs/create_push_notifications_job_spec.rb
index 76c43c4cc..cc5f6877f 100644
--- a/spec/jobs/create_push_notifications_job_spec.rb
+++ b/spec/jobs/create_push_notifications_job_spec.rb
@@ -1,25 +1,25 @@
 RSpec.describe CreatePushNotificationsJob, type: :job do
-  describe "#perform" do
-    context "with an Event that doesn't exist" do
+  describe '#perform' do
+    context 'with an Event that doesn\'t exist' do
       let(:event_id) { nil }
 
-      it "raises an error" do
-        expect do
+      it 'raises an error' do
+        expect {
           described_class.new.perform(event_id: event_id)
-        end.to raise_error "A valid Event must be provided"
+        }.to raise_error 'A valid Event must be provided'
       end
     end
 
-    context "with an Event that does exist" do
+    context 'with an Event that does exist' do
       let(:post) { Fabricate(:post) }
       let(:event) { Fabricate(:event, post: post, action: :created) }
       let(:event_id) { event.id }
 
-      it "calls the PushNotification creator" do
+      it 'calls the PushNotification creator' do
         creator = instance_double(::PushNotifications::Creator::Post)
-        expect(::PushNotifications::Creator::Post).to receive(:new).
-          with(event: event).
-          and_return(creator)
+        expect(::PushNotifications::Creator::Post).to receive(:new)
+          .with(event: event)
+          .and_return(creator)
         expect(creator).to receive(:create!)
 
         described_class.new.perform(event_id: event_id)
diff --git a/spec/jobs/organization_notifier_job_spec.rb b/spec/jobs/organization_notifier_job_spec.rb
index 980bd204a..44366ca24 100644
--- a/spec/jobs/organization_notifier_job_spec.rb
+++ b/spec/jobs/organization_notifier_job_spec.rb
@@ -7,11 +7,11 @@
   let!(:offer) { Fabricate(:offer, organization: org, user: user) }
   let!(:inquiry) { Fabricate(:inquiry, organization: org, user: user2) }
 
-  describe "#perform" do
+  describe '#perform' do
     it "should send emails in user's locale" do
-      expect do
+      expect {
         OrganizationNotifierJob.perform_now
-      end.to change { ActionMailer::Base.deliveries.count }.by(2)
+      }.to change { ActionMailer::Base.deliveries.count }.by(2)
     end
   end
 end
diff --git a/spec/jobs/send_push_notifications_job_spec.rb b/spec/jobs/send_push_notifications_job_spec.rb
index e977275f7..3559bb974 100644
--- a/spec/jobs/send_push_notifications_job_spec.rb
+++ b/spec/jobs/send_push_notifications_job_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe SendPushNotificationsJob, type: :job do
-  describe "#perform" do
+  describe '#perform' do
     let(:user) { Fabricate(:user) }
     let(:device_token) { Fabricate(:device_token, user: user) }
     let(:post) { Fabricate(:post) }
@@ -10,8 +10,8 @@
         :push_notification,
         event: event_created,
         device_token: device_token,
-        title: "A new Post hase been created.",
-        body: "A push notification body."
+        title: 'A new Post hase been created.',
+        body: 'A push notification body.'
       )
     end
     let(:processed_push_notification) do
@@ -19,8 +19,8 @@
         :push_notification,
         event: event_updated,
         device_token: device_token,
-        title: "A new Post hase been created.",
-        body: "A push notification body.",
+        title: 'A new Post hase been created.',
+        body: 'A push notification body.',
         processed_at: Time.zone.now
       )
     end
@@ -30,11 +30,11 @@
       processed_push_notification
     end
 
-    it "calls Broadcast to send the notifications" do
+    it 'calls Broadcast to send the notifications' do
       broadcast = instance_double(::PushNotifications::Broadcast)
-      expect(::PushNotifications::Broadcast).to receive(:new).
-        with(push_notifications: [push_notification]).
-        and_return(broadcast)
+      expect(::PushNotifications::Broadcast).to receive(:new)
+        .with(push_notifications: [push_notification])
+        .and_return(broadcast)
       expect(broadcast).to receive(:send_notifications)
 
       described_class.new.perform
diff --git a/spec/mailers/organization_notifier_spec.rb b/spec/mailers/organization_notifier_spec.rb
index ef9b17c00..039c0266f 100644
--- a/spec/mailers/organization_notifier_spec.rb
+++ b/spec/mailers/organization_notifier_spec.rb
@@ -7,9 +7,9 @@
 
   describe "send an email" do
     it "should send an email" do
-      expect do
+      expect {
         OrganizationNotifier.recent_posts(test_organization.posts, :en, [user]).deliver_now
-      end.to change { ActionMailer::Base.deliveries.count }.by(1)
+      }.to change { ActionMailer::Base.deliveries.count }.by(1)
     end
   end
 
diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb
index e39c3144d..6fb62ceaa 100644
--- a/spec/models/account_spec.rb
+++ b/spec/models/account_spec.rb
@@ -37,23 +37,23 @@
     expect(organization.account.organization).to eq organization
   end
 
-  describe "#update_balance" do
+  describe '#update_balance' do
     let(:account) { member.account }
 
-    context "when the balance did not change since last balance update" do
+    context 'when the balance did not change since last balance update' do
       before do
         account.movements << Movement.new(amount: 5)
         account.save
       end
 
-      it "updates the account balance" do
+      it 'updates the account balance' do
         # a callback in Movement already called #update_balance after creating
         # the movement above
         account.update_balance
         expect(account.balance).to eq(5)
       end
 
-      it "does not flag the account" do
+      it 'does not flag the account' do
         # a callback in Movement already called #update_balance after creating
         # the movement above
         account.update_balance
@@ -61,8 +61,8 @@
       end
     end
 
-    context "when the balance changed since last balance update" do
-      context "and the new balance falls within the limits allowed" do
+    context 'when the balance changed since last balance update' do
+      context 'and the new balance falls within the limits allowed' do
         before do
           account.max_allowed_balance = 100
           account.min_allowed_balance = 0
@@ -71,20 +71,20 @@
           account.save
         end
 
-        it "updates the account balance" do
+        it 'updates the account balance' do
           # a callback in Movement calls #update_balance after creating the
           # movement above
           expect(account.balance).to eq(5)
         end
 
-        it "does not flag the account" do
+        it 'does not flag the account' do
           # a callback in Movement calls #update_balance after creating the
           # movement above
           expect(account.flagged).to be_falsy
         end
       end
 
-      context "and the new balance does not fall within the limits allowed" do
+      context 'and the new balance does not fall within the limits allowed' do
         before do
           account.max_allowed_balance = 0
           account.min_allowed_balance = 0
@@ -93,7 +93,7 @@
           account.save
         end
 
-        it "does not flag the account" do
+        it 'does not flag the account' do
           # a callback in Movement calls #update_balance after creating the
           # movement above
           expect(account.flagged).to be_truthy
diff --git a/spec/models/event_spec.rb b/spec/models/event_spec.rb
index 24080ae9a..e907b9dad 100644
--- a/spec/models/event_spec.rb
+++ b/spec/models/event_spec.rb
@@ -1,38 +1,35 @@
 RSpec.describe Event do
-  describe "Validations" do
+  describe 'Validations' do
     it { is_expected.to validate_presence_of(:action) }
     it do
-      is_expected.to define_enum_for(:action).
-        with_values(%i[created updated])
+      is_expected.to define_enum_for(:action)
+        .with_values([:created, :updated])
     end
 
-    describe "#resource_presence validation" do
+    describe '#resource_presence validation' do
       let(:post) { Fabricate(:post) }
       let(:member) { Fabricate(:member) }
-      let(:event) { Event.new action: "created" }
+      let(:event) { Event.new action: 'created' }
 
-      context "has no resources" do
+      context 'has no resources' do
         it { expect(event).to_not be_valid }
       end
 
-      context "has one resource" do
+      context 'has one resource' do
         before { event.post = post }
 
         it { expect(event).to be_valid }
       end
 
-      context "has two resources" do
-        before do
-          event.post = post
-          event.member = member
-        end
+      context 'has two resources' do
+        before { event.post = post; event.member = member }
 
         it { expect(event).to_not be_valid }
       end
     end
   end
 
-  describe "Relations" do
+  describe 'Relations' do
     it { is_expected.to belong_to(:post).optional }
     it { is_expected.to belong_to(:member).optional }
     it { is_expected.to belong_to(:transfer).optional }
@@ -43,7 +40,7 @@
     it { is_expected.to have_db_column(:transfer_id) }
   end
 
-  describe "Indexes" do
+  describe 'Indexes' do
     it { is_expected.to have_db_index(:post_id) }
     it { is_expected.to have_db_index(:member_id) }
     it { is_expected.to have_db_index(:transfer_id) }
diff --git a/spec/models/member_spec.rb b/spec/models/member_spec.rb
index 9014821bf..c8ad2d3ae 100644
--- a/spec/models/member_spec.rb
+++ b/spec/models/member_spec.rb
@@ -13,13 +13,11 @@
   it { is_expected.to validate_presence_of(:member_uid) }
 
   describe "#offers" do
-    let(:member_offer) do
-      Fabricate(
-        :offer,
-        user: member.user,
-        organization: member.organization
-      )
-    end
+    let(:member_offer) { Fabricate(
+      :offer,
+      user: member.user,
+      organization: member.organization)
+    }
 
     it "should be a list of Offers matching user and organization" do
       another_member_offer = Fabricate(:offer)
@@ -35,7 +33,7 @@
     end
   end
 
-  describe "#display_id" do
+  describe '#display_id' do
     subject { member.display_id }
 
     it { is_expected.to eq(member.member_uid) }
diff --git a/spec/models/organization_spec.rb b/spec/models/organization_spec.rb
index 5d354f161..557c48eae 100644
--- a/spec/models/organization_spec.rb
+++ b/spec/models/organization_spec.rb
@@ -3,30 +3,30 @@
 
   describe "logo validation" do
     it "validates content_type" do
-      temp_file = Tempfile.new("test.txt")
-      organization.logo.attach(io: File.open(temp_file.path), filename: "test.txt")
+      temp_file = Tempfile.new('test.txt')
+      organization.logo.attach(io: File.open(temp_file.path), filename: 'test.txt')
 
       expect(organization).to be_invalid
 
-      temp_file = Tempfile.new("test.svg")
-      organization.logo.attach(io: File.open(temp_file.path), filename: "test.svg")
+      temp_file = Tempfile.new('test.svg')
+      organization.logo.attach(io: File.open(temp_file.path), filename: 'test.svg')
 
       expect(organization).to be_invalid
 
-      temp_file = Tempfile.new("test.png")
-      organization.logo.attach(io: File.open(temp_file.path), filename: "test.png")
+      temp_file = Tempfile.new('test.png')
+      organization.logo.attach(io: File.open(temp_file.path), filename: 'test.png')
 
       expect(organization).to be_valid
     end
   end
 
-  describe "#display_id" do
+  describe '#display_id' do
     subject { organization.display_id }
 
     it { is_expected.to eq(organization.account.accountable_id) }
   end
 
-  describe "ensure_url validation" do
+  describe 'ensure_url validation' do
     it "without http & https" do
       organization.web = "www.casa.com"
       expect(organization).to be_valid
@@ -65,9 +65,9 @@
     end
   end
 
-  it "name is mandatory" do
+  it 'name is mandatory' do
     organization.name = nil
     organization.save
-    expect(organization.errors[:name]).to include(I18n.t("errors.messages.blank"))
+    expect(organization.errors[:name]).to include(I18n.t('errors.messages.blank'))
   end
 end
diff --git a/spec/models/post_spec.rb b/spec/models/post_spec.rb
index ae84fd63e..55ba751c4 100644
--- a/spec/models/post_spec.rb
+++ b/spec/models/post_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe Post do
-  describe "Relations" do
+  describe 'Relations' do
     it { is_expected.to belong_to(:category) }
     it { is_expected.to belong_to(:user) }
     it { is_expected.to have_many(:transfers) }
diff --git a/spec/models/push_notification_spec.rb b/spec/models/push_notification_spec.rb
index 1b411d8e2..60c08c537 100644
--- a/spec/models/push_notification_spec.rb
+++ b/spec/models/push_notification_spec.rb
@@ -1,49 +1,49 @@
 RSpec.describe PushNotification do
   let!(:event) { Fabricate.build(:event) }
-  let!(:device_token) { Fabricate.build(:device_token, token: "token") }
+  let!(:device_token) { Fabricate.build(:device_token, token: 'token') }
   let!(:push_notification) { described_class.new(device_token: device_token) }
 
-  describe "Validations" do
+  describe 'Validations' do
     it { is_expected.to validate_presence_of(:title) }
     it { is_expected.to validate_presence_of(:body) }
   end
 
-  describe "Not blank validations" do
-    let(:valid_push_notification) do
+  describe 'Not blank validations' do
+    let(:valid_push_notification) {
       PushNotification.new(
         event: event,
         device_token: device_token,
         title: "A title",
         body: "A body"
       )
-    end
+    }
 
-    it "validates non blank fields" do
+    it 'validates non blank fields' do
       expect(valid_push_notification).to be_valid
 
       valid_push_notification.tap do |with_blank_title|
-        with_blank_title.title = ""
+        with_blank_title.title = ''
         expect(with_blank_title).to_not be_valid
       end
 
       valid_push_notification.tap do |with_blank_body|
-        with_blank_body.body = ""
+        with_blank_body.body = ''
         expect(with_blank_body).to_not be_valid
       end
     end
   end
 
-  describe "Associations" do
-    it { is_expected.to belong_to(:event).with_foreign_key("event_id") }
-    it { is_expected.to belong_to(:device_token).with_foreign_key("device_token_id") }
+  describe 'Associations' do
+    it { is_expected.to belong_to(:event).with_foreign_key('event_id') }
+    it { is_expected.to belong_to(:device_token).with_foreign_key('device_token_id') }
 
     it { is_expected.to have_db_column(:event_id) }
     it { is_expected.to have_db_column(:device_token_id) }
   end
 
   describe "#token" do
-    it "returns the associated DeviceToken's token" do
-      expect(push_notification.token).to eq("token")
+    it 'returns the associated DeviceToken\'s token' do
+      expect(push_notification.token).to eq('token')
     end
   end
 end
diff --git a/spec/models/taggable_spec.rb b/spec/models/taggable_spec.rb
index c3343244a..167e40c04 100644
--- a/spec/models/taggable_spec.rb
+++ b/spec/models/taggable_spec.rb
@@ -30,20 +30,20 @@
       expect(Offer.find_like_tag("foo")).to eq ["foo"]
       expect(Offer.find_like_tag("Foo")).to eq ["foo"]
       expect(Offer.find_like_tag("none")).to eq []
-      expect(Offer.find_like_tag("test")).to match_array %w[test têst]
-      expect(Offer.find_like_tag("têst")).to match_array %w[test têst]
+      expect(Offer.find_like_tag("test")).to match_array ["test", "têst"]
+      expect(Offer.find_like_tag("têst")).to match_array ["test", "têst"]
     end
 
-    describe ".alphabetical_grouped_tags" do
+    describe '.alphabetical_grouped_tags' do
       let(:tags) { %w(foo bar baz Boo) }
       let(:more_tags) { %w(foo baz qux) }
 
-      it "sorts them by alphabetical order case insensitive" do
+      it 'sorts them by alphabetical order case insensitive' do
         expect(Offer.alphabetical_grouped_tags).to eq({
-                                                        "B" => [["bar", 1], ["baz", 2], ["Boo", 1]],
-                                                        "F" => [["foo", 2]],
-                                                        "Q" => [["qux", 1]]
-                                                      })
+          'B' => [['bar', 1], ['baz', 2], ['Boo', 1]],
+          'F' => [['foo', 2]],
+          'Q' => [['qux', 1]]
+        })
       end
     end
   end
@@ -51,7 +51,7 @@
   it "#tag_list= writter accepts string and array" do
     offer = Offer.new
 
-    offer.tag_list = %w[a b]
+    offer.tag_list = ["a", "b"]
     expect(offer.tag_list).to eq "a, b"
 
     offer.tag_list = "c, d"
diff --git a/spec/models/transfer_factory_spec.rb b/spec/models/transfer_factory_spec.rb
index 8a1ec63e0..50310d35a 100644
--- a/spec/models/transfer_factory_spec.rb
+++ b/spec/models/transfer_factory_spec.rb
@@ -13,27 +13,27 @@
   let(:organization_offer) { Fabricate(:offer, organization: organization) }
   let(:destination_account_id) { nil }
 
-  describe "#offer" do
+  describe '#offer' do
     subject { transfer_factory.offer }
 
-    context "when the offer exists" do
+    context 'when the offer exists' do
       let(:offer_id) { organization_offer.id }
       it { is_expected.to eq(organization_offer) }
     end
 
-    context "when the offer does not exist" do
+    context 'when the offer does not exist' do
       let(:offer_id) { -1 }
       it { is_expected.to be_nil }
     end
   end
 
-  describe "#build_transfer" do
+  describe '#build_transfer' do
     subject(:transfer) { transfer_factory.build_transfer }
 
     let(:offer_id) { organization_offer.id }
     let(:destination_account_id) { destination_account.id }
 
-    context "when the destination account belongs to an organization" do
+    context 'when the destination account belongs to an organization' do
       let(:organization) { Fabricate(:organization) }
       let(:destination_account) { organization.account }
 
@@ -41,12 +41,12 @@
         Fabricate(:member, user: current_user, organization: organization)
       end
 
-      it "does not assign the offer as the transfer post" do
+      it 'does not assign the offer as the transfer post' do
         expect(transfer.post).to be_nil
       end
     end
 
-    context "when the destination account belongs to a member" do
+    context 'when the destination account belongs to a member' do
       let(:member) do
         Fabricate(:member, organization: organization, user: current_user)
       end
@@ -54,26 +54,26 @@
 
       it { is_expected.to be_a(Transfer) }
 
-      it "assigns the offer as the transfer post" do
+      it 'assigns the offer as the transfer post' do
         expect(transfer.post).to eq(organization_offer)
       end
 
-      context "and the user does not belong to the organization" do
+      context 'and the user does not belong to the organization' do
         let(:another_organization) { Fabricate(:organization) }
         let(:member) do
           Fabricate(:member, organization: another_organization, user: current_user)
         end
         let(:destination_account) { member.account }
 
-        it "raises" do
-          expect { transfer_factory.build_transfer }.
-            to raise_error(ActiveRecord::RecordNotFound)
+        it 'raises' do
+          expect { transfer_factory.build_transfer }
+            .to raise_error(ActiveRecord::RecordNotFound)
         end
       end
     end
   end
 
-  context "#transfer_sources" do
+  context '#transfer_sources' do
     subject { transfer_factory.transfer_sources }
 
     let(:offer_id) { organization_offer.id }
@@ -85,7 +85,7 @@
       Fabricate(:member, organization: organization, active: false)
     end
 
-    context "when the user is admin of the organization" do
+    context 'when the user is admin of the organization' do
       before do
         allow(current_user).to receive(:manages?).with(organization) { true }
       end
@@ -93,7 +93,7 @@
       it { is_expected.to eq([organization.account, active_member.account]) }
     end
 
-    context "when the user is not admin of the organization" do
+    context 'when the user is not admin of the organization' do
       before do
         allow(current_user).to receive(:manages?).with(organization) { false }
       end
diff --git a/spec/models/transfer_sources_options_spec.rb b/spec/models/transfer_sources_options_spec.rb
index 17c81bc41..431fdae5a 100644
--- a/spec/models/transfer_sources_options_spec.rb
+++ b/spec/models/transfer_sources_options_spec.rb
@@ -3,7 +3,7 @@
     described_class.new(sources)
   end
 
-  describe "#to_a" do
+  describe '#to_a' do
     let(:organization) { Fabricate(:organization) }
     let(:member) do
       Fabricate(:member, organization: organization, member_uid: 2)
@@ -16,9 +16,9 @@
       [organization.account, member.account, newer_member.account]
     end
 
-    it "returns an array of option tags order by the acccountable type and its member_uid" do
-      expect(transfer_sources_options.to_a).
-        to eq(
+    it 'returns an array of option tags order by the acccountable type and its member_uid' do
+      expect(transfer_sources_options.to_a)
+        .to eq(
           [
             [
               "#{newer_member.member_uid} #{newer_member.class} #{newer_member}",
@@ -33,7 +33,7 @@
               organization.account.id
             ]
           ]
-        )
+      )
     end
   end
 end
diff --git a/spec/models/transfer_spec.rb b/spec/models/transfer_spec.rb
index 2301eb72e..50a669890 100644
--- a/spec/models/transfer_spec.rb
+++ b/spec/models/transfer_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe Transfer do
-  describe "Relations" do
+  describe 'Relations' do
     it { is_expected.to belong_to(:post).optional }
     it { is_expected.to have_many(:movements) }
     it { is_expected.to have_many(:events) }
diff --git a/spec/services/operations/many_to_one_spec.rb b/spec/services/operations/many_to_one_spec.rb
index 70c41e144..0c639bf3b 100644
--- a/spec/services/operations/many_to_one_spec.rb
+++ b/spec/services/operations/many_to_one_spec.rb
@@ -6,25 +6,21 @@
     Operations::Transfers::ManyToOne.new(
       from: source_accounts.map(&:id),
       to: [destination_account.id],
-      transfer_params: { amount: 3600, reason: "why not" }
+      transfer_params: { amount: 3600, reason: 'why not' }
     )
   end
 
-  describe "#perform" do
-    it "creates multiple transfers" do
+  describe '#perform' do
+    it 'creates multiple transfers' do
       expect { operation.perform }.to change { Transfer.count }.by(5)
     end
 
-    it "creates many movements towards destination account" do
-      expect { operation.perform }.to change {
-                                        Movement.where(account_id: destination_account.id).count
-                                      }.by(5)
+    it 'creates many movements towards destination account' do
+      expect { operation.perform }.to change { Movement.where(account_id: destination_account.id).count }.by(5)
     end
 
-    it "creates one movement from each source account" do
-      expect { operation.perform }.to change {
-                                        Movement.where(account_id: source_accounts.map(&:id)).map(&:account_id).uniq.count
-                                      }.by(5)
+    it 'creates one movement from each source account' do
+      expect { operation.perform }.to change { Movement.where(account_id: source_accounts.map(&:id)).map(&:account_id).uniq.count }.by(5)
     end
   end
 end
diff --git a/spec/services/operations/one_to_many_spec.rb b/spec/services/operations/one_to_many_spec.rb
index c5091a4a8..7d13a3a90 100644
--- a/spec/services/operations/one_to_many_spec.rb
+++ b/spec/services/operations/one_to_many_spec.rb
@@ -6,25 +6,21 @@
     Operations::Transfers::OneToMany.new(
       from: [source_account.id],
       to: destination_accounts.map(&:id),
-      transfer_params: { amount: 3600, reason: "why not" }
+      transfer_params: { amount: 3600, reason: 'why not' }
     )
   end
 
-  describe "#perform" do
-    it "creates multiple transfers" do
+  describe '#perform' do
+    it 'creates multiple transfers' do
       expect { operation.perform }.to change { Transfer.count }.by(5)
     end
 
-    it "creates many movements from source account" do
-      expect { operation.perform }.to change {
-                                        Movement.where(account_id: source_account.id).count
-                                      }.by(5)
+    it 'creates many movements from source account' do
+      expect { operation.perform }.to change { Movement.where(account_id: source_account.id).count }.by(5)
     end
 
-    it "creates one movement towards each target account" do
-      expect { operation.perform }.to change {
-                                        Movement.where(account_id: destination_accounts.map(&:id)).map(&:account_id).uniq.count
-                                      }.by(5)
+    it 'creates one movement towards each target account' do
+      expect { operation.perform }.to change { Movement.where(account_id: destination_accounts.map(&:id)).map(&:account_id).uniq.count }.by(5)
     end
   end
 end
diff --git a/spec/services/operations/one_to_one_spec.rb b/spec/services/operations/one_to_one_spec.rb
index d9e8e6443..73a8d85e3 100644
--- a/spec/services/operations/one_to_one_spec.rb
+++ b/spec/services/operations/one_to_one_spec.rb
@@ -6,25 +6,22 @@
     Operations::Transfers::OneToOne.new(
       from: [source_account.id],
       to: [destination_account.id],
-      transfer_params: { amount: 3600, reason: "why not" }
+      transfer_params: { amount: 3600, reason: 'why not' }
     )
   end
 
-  describe "#perform" do
-    it "creates multiple transfers" do
+  describe '#perform' do
+    it 'creates multiple transfers' do
       expect { operation.perform }.to change { Transfer.count }.by(1)
     end
 
-    it "creates one movement towards destination account" do
-      expect { operation.perform }.to change {
-                                        Movement.where(account_id: source_account.id).count
-                                      }.by(1)
+    it 'creates one movement towards destination account' do
+      expect { operation.perform }.to change { Movement.where(account_id: source_account.id).count }.by(1)
     end
 
-    it "creates one movement from each source account" do
-      expect { operation.perform }.to change {
-                                        Movement.where(account_id: destination_account.id).count
-                                      }.by(1)
+    it 'creates one movement from each source account' do
+      expect { operation.perform }.to change { Movement.where(account_id: destination_account.id).count }.by(1)
     end
   end
 end
+
diff --git a/spec/services/operations/transfers_spec.rb b/spec/services/operations/transfers_spec.rb
index b4ddc2321..522381145 100644
--- a/spec/services/operations/transfers_spec.rb
+++ b/spec/services/operations/transfers_spec.rb
@@ -1,32 +1,33 @@
 RSpec.describe Operations::Transfers do
-  describe "create" do
-    let(:operation) do
+  describe 'create' do
+    let(:operation) {
       Operations::Transfers.create(
         from: from,
         to: to,
         transfer_params: {}
       )
-    end
+    }
 
-    context "when there is one source and many targets" do
+    context 'when there is one source and many targets' do
       let(:from) { [1] }
       let(:to) { [2, 3] }
 
-      it "instantiates a OneToMany operation" do
+      it 'instantiates a OneToMany operation' do
         expect(operation).to be_a(Operations::Transfers::OneToMany)
       end
     end
 
-    context "when there many sources and one target" do
+
+    context 'when there many sources and one target' do
       let(:from) { [1, 2] }
       let(:to) { [3] }
 
-      it "instantiates a ManyToOne operation" do
+      it 'instantiates a ManyToOne operation' do
         expect(operation).to be_a(Operations::Transfers::ManyToOne)
       end
     end
 
-    context "when weird shit is passed" do
+    context 'when weird shit is passed' do
       let(:from) { [] }
       let(:to) { [] }
 
@@ -36,3 +37,4 @@
     end
   end
 end
+
diff --git a/spec/services/persister/member_persister_spec.rb b/spec/services/persister/member_persister_spec.rb
index 2bc78f0a5..7d3b2084c 100644
--- a/spec/services/persister/member_persister_spec.rb
+++ b/spec/services/persister/member_persister_spec.rb
@@ -4,29 +4,29 @@
   let(:member) { Fabricate.build(:member, user: user, organization: organization) }
   let(:persister) { ::Persister::MemberPersister.new(member) }
 
-  describe "#save" do
+  describe '#save' do
     before { persister.save }
 
-    it "saves the member" do
+    it 'saves the member' do
       expect(member).to be_persisted
     end
 
     # TODO: write better expectation
-    it "creates an event" do
-      expect(Event.where(member_id: member.id).first.action).to eq("created")
+    it 'creates an event' do
+      expect(Event.where(member_id: member.id).first.action).to eq('created')
     end
   end
 
-  describe "#update" do
+  describe '#update' do
     before { persister.update(member_uid: 666) }
 
-    it "updates the resource attributes" do
+    it 'updates the resource attributes' do
       expect(member.member_uid).to eq(666)
     end
 
     # TODO: write better expectation
-    it "creates an event" do
-      expect(Event.where(member_id: member.id).first.action).to eq("updated")
+    it 'creates an event' do
+      expect(Event.where(member_id: member.id).first.action).to eq('updated')
     end
   end
 end
diff --git a/spec/services/persister/post_persister_spec.rb b/spec/services/persister/post_persister_spec.rb
index 377c5db07..b0955815d 100644
--- a/spec/services/persister/post_persister_spec.rb
+++ b/spec/services/persister/post_persister_spec.rb
@@ -8,60 +8,60 @@
       organization: organization,
       user: user,
       category: category,
-      title: "Title"
+      title: 'Title'
     )
   end
   let(:persister) { ::Persister::PostPersister.new(post) }
   let(:event) { Fabricate.build(:event, id: 27) }
 
-  describe "#save" do
-    it "saves the post" do
+  describe '#save' do
+    it 'saves the post' do
       persister.save
 
       expect(post).to be_persisted
     end
 
-    it "creates an event" do
+    it 'creates an event' do
       expect(::Event).to receive(:create!).with(action: :created, post: post).and_return(event)
 
       persister.save
     end
 
-    context "background job" do
+    context 'background job' do
       before do
         allow(::Event).to receive(:create!).and_return(event)
       end
 
-      it "enqueues a CreatePushNotificationsJob background job" do
-        expect do
+      it 'enqueues a CreatePushNotificationsJob background job' do
+        expect {
           persister.save
-        end.to enqueue_job(CreatePushNotificationsJob).with(event_id: 27)
+        }.to enqueue_job(CreatePushNotificationsJob).with(event_id: 27)
       end
     end
   end
 
-  describe "#update" do
-    it "updates the resource attributes" do
-      persister.update(title: "New title")
+  describe '#update' do
+    it 'updates the resource attributes' do
+      persister.update(title: 'New title')
 
-      expect(post.title).to eq("New title")
+      expect(post.title).to eq('New title')
     end
 
-    it "creates an event" do
+    it 'creates an event' do
       expect(::Event).to receive(:create!).with(action: :updated, post: post).and_return(event)
 
-      persister.update(title: "New title")
+      persister.update(title: 'New title')
     end
 
-    context "background job" do
+    context 'background job' do
       before do
         allow(::Event).to receive(:create!).and_return(event)
       end
 
-      it "enqueues a CreatePushNotificationsJob background job" do
-        expect do
-          persister.update(title: "New title")
-        end.to enqueue_job(CreatePushNotificationsJob).with(event_id: 27)
+      it 'enqueues a CreatePushNotificationsJob background job' do
+        expect {
+          persister.update(title: 'New title')
+        }.to enqueue_job(CreatePushNotificationsJob).with(event_id: 27)
       end
     end
   end
diff --git a/spec/services/persister/transfer_persister_spec.rb b/spec/services/persister/transfer_persister_spec.rb
index b83576e94..b64c26801 100644
--- a/spec/services/persister/transfer_persister_spec.rb
+++ b/spec/services/persister/transfer_persister_spec.rb
@@ -13,29 +13,29 @@
   end
   let(:persister) { ::Persister::TransferPersister.new(transfer) }
 
-  describe "#save" do
+  describe '#save' do
     before { persister.save }
 
-    it "saves the transfer" do
+    it 'saves the transfer' do
       expect(transfer).to be_persisted
     end
 
     # TODO: write better expectation
-    it "creates an event" do
-      expect(Event.where(transfer_id: transfer.id).first.action).to eq("created")
+    it 'creates an event' do
+      expect(Event.where(transfer_id: transfer.id).first.action).to eq('created')
     end
   end
 
-  describe "#update" do
+  describe '#update' do
     before { persister.update(amount: 666) }
 
-    it "updates the resource attributes" do
+    it 'updates the resource attributes' do
       expect(transfer.amount).to eq(666)
     end
 
     # TODO: write better expectation
-    it "creates an event" do
-      expect(Event.where(transfer_id: transfer.id).first.action).to eq("updated")
+    it 'creates an event' do
+      expect(Event.where(transfer_id: transfer.id).first.action).to eq('updated')
     end
   end
 end
diff --git a/spec/services/push_notifications/broadcast_spec.rb b/spec/services/push_notifications/broadcast_spec.rb
index 3be246fbd..413a052d5 100644
--- a/spec/services/push_notifications/broadcast_spec.rb
+++ b/spec/services/push_notifications/broadcast_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe PushNotifications::Broadcast do
-  describe "#send_notifications" do
+  describe '#send_notifications' do
     let(:user) { Fabricate(:user) }
     let(:device_token) { Fabricate(:device_token, user: user) }
     let(:post) { Fabricate(:post) }
@@ -13,62 +13,59 @@
         data: push_notification.data
       }
     end
-    let(:uri) { URI("https://exp.host/--/api/v2/push/send") }
+    let(:uri) { URI('https://exp.host/--/api/v2/push/send') }
     let(:client) { Net::HTTP.new(uri.host, uri.port) }
     let(:headers) { { "Content-Type" => "application/json" } }
 
-    context "when there are push notifications to send" do
+    context 'when there are push notifications to send' do
       let(:push_notification) do
         Fabricate(
           :push_notification,
           event: event_created,
           device_token: device_token,
-          title: "Hola",
-          body: "Caracola",
+          title: 'Hola',
+          body: 'Caracola',
           data: {}
         )
       end
 
-      context "when the HTTP response is OK" do
+      context 'when the HTTP response is OK' do
         let(:http_response) { Net::HTTPOK.new(1.0, 200, "OK") }
 
-        it "calls Expo API to send notifications" do
+        it 'calls Expo API to send notifications' do
           allow(Net::HTTP).to receive(:new).with(uri.host, uri.port).and_return(client)
-          expect(client).to receive(:post).with(uri.request_uri, [notification].to_json,
-                                                headers).and_return(http_response)
+          expect(client).to receive(:post).with(uri.request_uri, [notification].to_json, headers).and_return(http_response)
 
           described_class.new(push_notifications: push_notifications).send_notifications
         end
 
-        it "flags the push_notification as processed" do
+        it 'flags the push_notification as processed' do
           allow(Net::HTTP).to receive(:new).with(uri.host, uri.port).and_return(client)
-          allow(client).to receive(:post).with(uri.request_uri, [notification].to_json,
-                                               headers).and_return(http_response)
+          allow(client).to receive(:post).with(uri.request_uri, [notification].to_json, headers).and_return(http_response)
 
           described_class.new(push_notifications: push_notifications).send_notifications
 
           expect(push_notification.reload.processed_at).to_not be_nil
         end
 
-        context "when the HTTP response is not OK" do
+        context 'when the HTTP response is not OK' do
           let(:http_response) { Net::HTTPNotFound.new(1.0, 400, "Not Found") }
 
-          it "raises an error" do
+          it 'raises an error' do
             allow(Net::HTTP).to receive(:new).with(uri.host, uri.port).and_return(client)
-            allow(client).to receive(:post).with(uri.request_uri, [notification].to_json,
-                                                 headers).and_return(http_response)
+            allow(client).to receive(:post).with(uri.request_uri, [notification].to_json, headers).and_return(http_response)
             allow(http_response).to receive(:body).and_return("Everything is broken!")
 
-            expect do
+            expect {
               described_class.new(push_notifications: push_notifications).send_notifications
-            end.to raise_error(::PushNotifications::Broadcast::PostError)
+            }.to raise_error(::PushNotifications::Broadcast::PostError)
           end
         end
       end
     end
 
-    context "when there are no push notifications to send" do
-      it "calls Expo API to send notifications" do
+    context 'when there are no push notifications to send' do
+      it 'calls Expo API to send notifications' do
         expect(Net::HTTP).to_not receive(:new).with(uri.host, uri.port)
 
         described_class.new(push_notifications: push_notifications).send_notifications
diff --git a/spec/services/push_notifications/event_notifier/post_spec.rb b/spec/services/push_notifications/event_notifier/post_spec.rb
index 38856122f..d38245c71 100644
--- a/spec/services/push_notifications/event_notifier/post_spec.rb
+++ b/spec/services/push_notifications/event_notifier/post_spec.rb
@@ -4,64 +4,64 @@
   let(:post) { Fabricate(:post, organization: organization, user: user) }
   let(:event) { Fabricate.build(:event, post: post, action: :created) }
 
-  describe "#device_tokens" do
-    context "when a user pertains to the Post's organization" do
+  describe '#device_tokens' do
+    context 'when a user pertains to the Post\'s organization' do
       let!(:member) { organization.members.create(user: user) }
 
-      context "and the membership is active (default)" do
-        context "and the user's setting push_notifications is set to true (default)" do
-          context "and the user has a DeviceToken associated" do
-            let!(:device_token) { Fabricate(:device_token, user: user, token: "aloha") }
+      context 'and the membership is active (default)' do
+        context 'and the user\'s setting push_notifications is set to true (default)' do
+          context 'and the user has a DeviceToken associated' do
+            let!(:device_token) { Fabricate(:device_token, user: user, token: 'aloha') }
 
-            it "returns the device token associated with the user" do
+            it 'returns the device token associated with the user' do
               expect(described_class.new(event: event).device_tokens).to eq([device_token])
             end
           end
 
-          context "but the user has no DeviceToken associated" do
-            it "doesn't return the user" do
+          context 'but the user has no DeviceToken associated' do
+            it 'doesn\'t return the user' do
               expect(described_class.new(event: event).device_tokens).to eq([])
             end
           end
         end
 
-        context "and the user's setting push_notifications is set to false" do
+        context 'and the user\'s setting push_notifications is set to false' do
           before do
             user.push_notifications = false
             user.save!
           end
 
-          context "and the user has a DeviceToken associated" do
-            let!(:device_token) { Fabricate(:device_token, user: user, token: "aloha") }
+          context 'and the user has a DeviceToken associated' do
+            let!(:device_token) { Fabricate(:device_token, user: user, token: 'aloha') }
 
-            it "doesn't return the device token associated with the user" do
+            it 'doesn\'t return the device token associated with the user' do
               expect(described_class.new(event: event).device_tokens).to_not include(device_token)
             end
           end
         end
       end
 
-      context "and the membership is not active" do
+      context 'and the membership is not active' do
         before do
           member.active = false
           member.save!
         end
 
-        context "and the user has a DeviceToken associated" do
-          let!(:device_token) { Fabricate(:device_token, user: user, token: "aloha") }
+        context 'and the user has a DeviceToken associated' do
+          let!(:device_token) { Fabricate(:device_token, user: user, token: 'aloha') }
 
-          it "doesn't return the device token associated with the user" do
+          it 'doesn\'t return the device token associated with the user' do
             expect(described_class.new(event: event).device_tokens).to_not include(device_token)
           end
         end
       end
     end
 
-    context "when a user doesn't pertain to the Post's organization" do
+    context 'when a user doesn\'t pertain to the Post\'s organization' do
       let(:other_user) { Fabricate(:user) }
-      let!(:device_token) { Fabricate(:device_token, user: other_user, token: "WAT") }
+      let!(:device_token) { Fabricate(:device_token, user: other_user, token: 'WAT') }
 
-      it "doesn't return the user" do
+      it 'doesn\'t return the user' do
         expect(described_class.new(event: event).device_tokens).to_not include(device_token)
       end
     end
diff --git a/spec/services/push_notifications/event_notifier_factory_spec.rb b/spec/services/push_notifications/event_notifier_factory_spec.rb
index 692f845ff..c272d7425 100644
--- a/spec/services/push_notifications/event_notifier_factory_spec.rb
+++ b/spec/services/push_notifications/event_notifier_factory_spec.rb
@@ -1,14 +1,14 @@
 RSpec.describe PushNotifications::EventNotifierFactory do
-  describe "#build" do
+  describe '#build' do
     let(:user) { Fabricate.build(:user) }
     let(:organization) { Fabricate(:organization) }
     let(:factory) { described_class.new(event: event) }
 
-    context "when the given Event is associated to a Post" do
+    context 'when the given Event is associated to a Post' do
       let(:post) { Fabricate(:post, organization: organization, user: user) }
       let(:event) { Fabricate.build(:event, post: post, action: :created) }
 
-      it "returns a Post notifier" do
+      it 'returns a Post notifier' do
         notifier = instance_double(::PushNotifications::EventNotifier::Post)
         allow(::PushNotifications::EventNotifier::Post).to receive(:new).and_return(notifier)
 
@@ -16,13 +16,13 @@
       end
     end
 
-    context "when the given Event is associated to a resource not supported" do
+    context 'when the given Event is associated to a resource not supported' do
       let(:event) { Fabricate.build(:event, action: :created) }
 
-      it "raises an error" do
-        expect do
+      it 'raises an error' do
+        expect {
           factory.build
-        end.to raise_error("The resource associated to the Event is not supported")
+        }.to raise_error('The resource associated to the Event is not supported')
       end
     end
   end
diff --git a/spec/services/push_notifications/post_spec.rb b/spec/services/push_notifications/post_spec.rb
index 560d70aa5..1c2d351f7 100644
--- a/spec/services/push_notifications/post_spec.rb
+++ b/spec/services/push_notifications/post_spec.rb
@@ -1,6 +1,6 @@
 RSpec.describe PushNotifications::Creator::Post do
   let(:user) { Fabricate(:user) }
-  let!(:device_token) { Fabricate(:device_token, user: user, token: "aloha") }
+  let!(:device_token) { Fabricate(:device_token, user: user, token: 'aloha') }
   let(:organization) { Fabricate(:organization) }
   let(:post) { Fabricate(:post, organization: organization, user: user) }
   let(:event) { Fabricate.build(:event, post: post, action: :created) }
@@ -10,14 +10,14 @@
     organization.members.create(user: user)
   end
 
-  describe "#create!" do
-    context "integration" do
-      it "creates as many PushNotification resources as needed" do
+  describe '#create!' do
+    context 'integration' do
+      it 'creates as many PushNotification resources as needed' do
         expect { creator.create! }.to change { PushNotification.count }.by(1)
       end
     end
 
-    context "unit" do
+    context 'unit' do
       let(:post) do
         Fabricate(
           :post,
@@ -29,51 +29,51 @@
 
       before { allow(PushNotification).to receive(:create!) }
 
-      context "when the post description is empty" do
-        let(:description) { "" }
+      context 'when the post description is empty' do
+        let(:description) { '' }
 
-        it "creates a PushNotification with a default body" do
+        it 'creates a PushNotification with a default body' do
           creator.create!
 
-          expect(PushNotification).
-            to have_received(:create!).
-            with(include(body: "No description"))
+          expect(PushNotification)
+            .to have_received(:create!)
+            .with(include(body: 'No description'))
         end
       end
 
-      context "when the post description is nil" do
+      context 'when the post description is nil' do
         let(:description) { nil }
 
-        it "creates a PushNotification with a default body" do
+        it 'creates a PushNotification with a default body' do
           creator.create!
 
-          expect(PushNotification).
-            to have_received(:create!).
-            with(include(body: "No description"))
+          expect(PushNotification)
+            .to have_received(:create!)
+            .with(include(body: 'No description'))
         end
       end
 
-      context "when the post description is shorter than 20 chars" do
-        let(:description) { "description" }
+      context 'when the post description is shorter than 20 chars' do
+        let(:description) { 'description' }
 
-        it "creates a PushNotification with the post body" do
+        it 'creates a PushNotification with the post body' do
           creator.create!
 
-          expect(PushNotification).
-            to have_received(:create!).
-            with(include(body: post.description))
+          expect(PushNotification)
+            .to have_received(:create!)
+            .with(include(body: post.description))
         end
       end
 
-      context "when the post description is larger than 20 chars" do
-        let(:description) { "this is a very long description" }
+      context 'when the post description is larger than 20 chars' do
+        let(:description) { 'this is a very long description' }
 
-        it "creates a PushNotification with the post body truncated" do
+        it 'creates a PushNotification with the post body truncated' do
           creator.create!
 
-          expect(PushNotification).
-            to have_received(:create!).
-            with(include(body: post.description.truncate(20)))
+          expect(PushNotification)
+            .to have_received(:create!)
+            .with(include(body: post.description.truncate(20)))
         end
       end
     end
diff --git a/spec/services/user_importer_spec.rb b/spec/services/user_importer_spec.rb
index b4cf1a75a..e95d69a54 100644
--- a/spec/services/user_importer_spec.rb
+++ b/spec/services/user_importer_spec.rb
@@ -1,54 +1,52 @@
 RSpec.describe UserImporter do
-  describe "#call" do
+  describe '#call' do
     let(:organization) { Fabricate(:organization) }
     let(:user) do
       User.new(
-        username: "Hermione Cadena Muñoz",
-        date_of_birth: "1989-03-16",
-        email: "user@example.com",
-        phone: "622743103",
-        alt_phone: "691777984",
-        gender: "female"
+        username: 'Hermione Cadena Muñoz',
+        date_of_birth: '1989-03-16',
+        email: 'user@example.com',
+        phone: '622743103',
+        alt_phone: '691777984',
+        gender: 'female'
       )
     end
 
     # member_id, entry_date, username, gender, date_of_birth, phone, alt_phone, email
-    let(:csv_data) do
-      StringIO.new("1,2018-01-30,Hermione,Cadena,Muñoz,1,1989-03-16,622743103,691777984,user@example.com")
-    end
+    let(:csv_data) { StringIO.new('1,2018-01-30,Hermione,Cadena,Muñoz,1,1989-03-16,622743103,691777984,user@example.com') }
 
     before do
       I18n.locale = :en
 
-      allow(Organization).
-        to receive(:find).with(organization.id).and_return(organization)
+      allow(Organization)
+        .to receive(:find).with(organization.id).and_return(organization)
 
       allow(User).to receive(:new).with(
-        username: "Hermione Cadena Muñoz",
-        date_of_birth: "1989-03-16",
-        email: "user@example.com",
-        phone: "622743103",
-        alt_phone: "691777984",
-        gender: "female",
+        username: 'Hermione Cadena Muñoz',
+        date_of_birth: '1989-03-16',
+        email: 'user@example.com',
+        phone: '622743103',
+        alt_phone: '691777984',
+        gender: 'female',
         locale: :en
       ).and_return(user)
     end
 
-    it "creates a user out of a CSV row" do
+    it 'creates a user out of a CSV row' do
       expect(User).to receive(:new).with(
-        username: "Hermione Cadena Muñoz",
-        date_of_birth: "1989-03-16",
-        email: "user@example.com",
-        phone: "622743103",
-        alt_phone: "691777984",
-        gender: "female",
+        username: 'Hermione Cadena Muñoz',
+        date_of_birth: '1989-03-16',
+        email: 'user@example.com',
+        phone: '622743103',
+        alt_phone: '691777984',
+        gender: 'female',
         locale: :en
       ).and_return(user)
 
       described_class.call(organization.id, csv_data)
     end
 
-    it "persists the user" do
+    it 'persists the user' do
       expect(user).to receive(:save)
       described_class.call(organization.id, csv_data)
     end
diff --git a/spec/support/controller_macros.rb b/spec/support/controller_macros.rb
index f5aa8803a..b1104fdd7 100644
--- a/spec/support/controller_macros.rb
+++ b/spec/support/controller_macros.rb
@@ -2,7 +2,7 @@ module ControllerMacros
   def login(user = nil)
     @request.env["devise.mapping"] = Devise.mappings[:user]
 
-    @current_user = user || Fabricate(:user)
+    @current_user = (user ? user : Fabricate(:user))
     @current_organization = @current_user.try(:organizations).try(:first)
 
     sign_in @current_user
diff --git a/spec/support/features/session_helpers.rb b/spec/support/features/session_helpers.rb
index 8728c1330..45164a79c 100644
--- a/spec/support/features/session_helpers.rb
+++ b/spec/support/features/session_helpers.rb
@@ -1,10 +1,10 @@
 module Features
   module SessionHelpers
     def sign_in_with(email, password)
-      visit "/login"
-      fill_in "user_email", with: email
-      fill_in "user_password", with: password
-      find("input[type=submit]").click
+      visit '/login'
+      fill_in 'user_email', with: email
+      fill_in 'user_password', with: password
+      find('input[type=submit]').click
     end
   end
 end
diff --git a/spec/views/inquiries/show.html.erb_spec.rb b/spec/views/inquiries/show.html.erb_spec.rb
index 1fd7123d9..5ee44ac36 100644
--- a/spec/views/inquiries/show.html.erb_spec.rb
+++ b/spec/views/inquiries/show.html.erb_spec.rb
@@ -1,35 +1,34 @@
-RSpec.describe "inquiries/show" do
+RSpec.describe 'inquiries/show' do
   let(:organization) { Fabricate(:organization) }
   let(:member) { Fabricate(:member, organization: organization) }
   let(:inquiry) { Fabricate(:inquiry, user: member.user, organization: organization) }
-  let(:group_inquiry) do
-    Fabricate(:inquiry, user: member.user, organization: organization, is_group: true)
-  end
+  let(:group_inquiry) { Fabricate(:inquiry, user: member.user, organization: organization, is_group: true) }
   let(:destination_account) { Fabricate(:account) }
 
-  context "when the user is not logged in" do
+
+  context 'when the user is not logged in' do
     before do
       allow(view).to receive(:current_user).and_return(nil)
       allow(view).to receive(:current_organization).and_return(nil)
     end
 
-    context "when it is not a group inquiry" do
-      it "displays a label" do
+    context 'when it is not a group inquiry' do
+      it 'displays a label' do
         assign :inquiry, inquiry
         assign :destination_account, destination_account
-        render template: "inquiries/show"
+        render template: 'inquiries/show'
 
-        expect(rendered).to_not include(I18n.t("activerecord.attributes.inquiry.is_group"))
+        expect(rendered).to_not include(I18n.t('activerecord.attributes.inquiry.is_group'))
       end
     end
 
-    context "when it is a group inquiry" do
-      it "displays a label" do
+    context 'when it is a group inquiry' do
+      it 'displays a label' do
         assign :inquiry, group_inquiry
         assign :destination_account, destination_account
-        render template: "inquiries/show"
+        render template: 'inquiries/show'
 
-        expect(rendered).to include(I18n.t("activerecord.attributes.inquiry.is_group"))
+        expect(rendered).to include(I18n.t('activerecord.attributes.inquiry.is_group'))
       end
     end
   end
diff --git a/spec/views/offers/show.html.erb_spec.rb b/spec/views/offers/show.html.erb_spec.rb
index cf8d67a36..fce4ba595 100644
--- a/spec/views/offers/show.html.erb_spec.rb
+++ b/spec/views/offers/show.html.erb_spec.rb
@@ -1,10 +1,8 @@
-RSpec.describe "offers/show" do
+RSpec.describe 'offers/show' do
   let(:organization) { Fabricate(:organization) }
   let(:member) { Fabricate(:member, organization: organization) }
   let(:offer) { Fabricate(:offer, user: member.user, organization: organization) }
-  let(:group_offer) do
-    Fabricate(:offer, user: member.user, organization: organization, is_group: true)
-  end
+  let(:group_offer) { Fabricate(:offer, user: member.user, organization: organization, is_group: true) }
   let(:destination_account) { Fabricate(:account) }
 
   before do
@@ -12,7 +10,7 @@
     allow(offer).to receive(:member).and_return(member)
   end
 
-  context "when the user is logged in" do
+  context 'when the user is logged in' do
     let(:logged_user) { Fabricate(:user) }
 
     before do
@@ -25,18 +23,18 @@
       allow(view).to receive(:current_user).and_return(logged_user)
     end
 
-    context "when the current organization is the same as offer's organization" do
+    context 'when the current organization is the same as offer\'s organization' do
       before do
         allow(view).to receive(:current_organization) { offer.organization }
       end
 
-      it "renders a link to the transfer page" do
+      it 'renders a link to the transfer page' do
         assign :offer, offer
         assign :destination_account, destination_account
-        render template: "offers/show"
+        render template: 'offers/show'
 
         expect(rendered).to have_link(
-          t("offers.show.give_time_for"),
+          t('offers.show.give_time_for'),
           href: new_transfer_path(
             id: offer.user.id,
             offer: offer.id,
@@ -45,16 +43,16 @@
         )
       end
 
-      it "displays offer's user details" do
+      it 'displays offer\'s user details' do
         assign :offer, offer
         assign :destination_account, destination_account
-        render template: "offers/show"
+        render template: 'offers/show'
 
         expect(rendered).to include(offer.user.email)
       end
     end
 
-    context "when the current organization is not the same as offer's organization" do
+    context 'when the current organization is not the same as offer\'s organization' do
       let(:another_organization) { Fabricate(:organization) }
 
       before do
@@ -67,12 +65,12 @@
         allow(view).to receive(:current_organization) { another_organization }
       end
 
-      it "doesn't render a link to the transfer page" do
+      it 'doesn\'t render a link to the transfer page' do
         assign :offer, offer
-        render template: "offers/show"
+        render template: 'offers/show'
 
         expect(rendered).to_not have_link(
-          t("offers.show.give_time_for"),
+          t('offers.show.give_time_for'),
           href: new_transfer_path(
             id: offer.user.id,
             offer: offer.id,
@@ -81,40 +79,41 @@
         )
       end
 
-      it "doesn't display offer's user details" do
+      it 'doesn\'t display offer\'s user details' do
         assign :offer, offer
         assign :destination_account, destination_account
-        render template: "offers/show"
+        render template: 'offers/show'
 
         expect(rendered).to_not include(offer.user.email)
       end
 
-      it "displays the offer's organization" do
+      it 'displays the offer\'s organization' do
         assign :offer, offer
-        render template: "offers/show"
+        render template: 'offers/show'
 
         expect(rendered).to include(
-          t("posts.show.info",
+          t('posts.show.info',
             type: offer.class.model_name.human,
-            organization: offer.organization.name)
+            organization: offer.organization.name
+           )
         )
       end
     end
   end
 
-  context "when the user is not logged in" do
+  context 'when the user is not logged in' do
     before do
       allow(view).to receive(:current_user).and_return(nil)
       allow(view).to receive(:current_organization).and_return(nil)
     end
 
-    it "does not render a link to the transfer page" do
+    it 'does not render a link to the transfer page' do
       assign :offer, offer
       assign :destination_account, destination_account
-      render template: "offers/show"
+      render template: 'offers/show'
 
       expect(rendered).not_to have_link(
-        t("offers.show.give_time_for"),
+        t('offers.show.give_time_for'),
         href: new_transfer_path(
           id: offer.user.id,
           offer: offer.id,
@@ -123,52 +122,53 @@
       )
     end
 
-    it "renders a link to the login page" do
+    it 'renders a link to the login page' do
       assign :offer, offer
-      render template: "offers/show"
+      render template: 'offers/show'
 
       expect(rendered).to have_link(
-        t("layouts.application.login"),
+        t('layouts.application.login'),
         href: new_user_session_path
       )
     end
 
-    it "displays the offer's organization" do
+    it 'displays the offer\'s organization' do
       assign :offer, offer
-      render template: "offers/show"
+      render template: 'offers/show'
 
       expect(rendered).to include(
-        t("posts.show.info",
+        t('posts.show.info',
           type: offer.class.model_name.human,
-          organization: offer.organization.name)
+          organization: offer.organization.name
+         )
       )
     end
 
-    it "doesn't display offer's user details" do
+    it 'doesn\'t display offer\'s user details' do
       assign :offer, offer
       assign :destination_account, destination_account
-      render template: "offers/show"
+      render template: 'offers/show'
 
       expect(rendered).to_not include(offer.user.email)
     end
 
-    context "when it is not a group offer" do
-      it "displays a label" do
+    context 'when it is not a group offer' do
+      it 'displays a label' do
         assign :offer, offer
         assign :destination_account, destination_account
-        render template: "offers/show"
+        render template: 'offers/show'
 
-        expect(rendered).to_not include(I18n.t("activerecord.attributes.offer.is_group"))
+        expect(rendered).to_not include(I18n.t('activerecord.attributes.offer.is_group'))
       end
     end
 
-    context "when it is a group offer" do
-      it "displays a label" do
+    context 'when it is a group offer' do
+      it 'displays a label' do
         assign :offer, group_offer
         assign :destination_account, destination_account
-        render template: "offers/show"
+        render template: 'offers/show'
 
-        expect(rendered).to include(I18n.t("activerecord.attributes.offer.is_group"))
+        expect(rendered).to include(I18n.t('activerecord.attributes.offer.is_group'))
       end
     end
   end
diff --git a/spec/views/organizations/show.html.erb_spec.rb b/spec/views/organizations/show.html.erb_spec.rb
index 896798c2f..1b59d4a10 100644
--- a/spec/views/organizations/show.html.erb_spec.rb
+++ b/spec/views/organizations/show.html.erb_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe "organizations/show" do
+RSpec.describe 'organizations/show' do
   let(:organization) { Fabricate(:organization) }
 
   before do
@@ -8,30 +8,30 @@
     assign :organization, organization
   end
 
-  context "without a logged user" do
+  context 'without a logged user' do
     before do
       allow(view).to receive(:current_user).and_return(nil)
 
       assign :movements, []
-      render template: "organizations/show"
+      render template: 'organizations/show'
     end
 
-    it "does not display link to new_transfer_path" do
+    it 'does not display link to new_transfer_path' do
       expect(rendered).not_to have_link(
-        t("global.give_time"),
-        href: new_transfer_path(
+        t('global.give_time'),
+          href: new_transfer_path(
           id: organization,
           destination_account_id: organization.account.id
         )
       )
     end
 
-    it "does not display the movements section" do
-      expect(rendered).not_to match t("organizations.movements")
+    it 'does not display the movements section' do
+      expect(rendered).not_to match t('organizations.movements')
     end
   end
 
-  context "with a logged user (organization member)" do
+  context 'with a logged user (organization member)' do
     let(:member) { Fabricate(:member, organization: organization) }
     let(:user) { member.user }
 
@@ -39,54 +39,54 @@
       allow(view).to receive(:current_user).and_return(user)
 
       assign :movements, Movement.page
-      render template: "organizations/show"
+      render template: 'organizations/show'
     end
 
-    it "links to new_transfer_path" do
+    it 'links to new_transfer_path' do
       expect(rendered).to have_link(
-        t("global.give_time"),
-        href: new_transfer_path(
+        t('global.give_time'),
+          href: new_transfer_path(
           id: organization,
           destination_account_id: organization.account.id
         )
       )
     end
 
-    it "diplays the movements section" do
-      expect(rendered).to match t("shared.movements.movements")
+    it 'diplays the movements section' do
+      expect(rendered).to match t('shared.movements.movements')
     end
 
-    it "displays the organization page" do
+    it 'displays the organization page' do
       expect(rendered).to match(organization.name)
     end
 
-    it "displays link to delete the member" do
+    it 'displays link to delete the member' do
       expect(rendered).to have_link(
-        t("users.user_rows.delete_membership"),
+        t('users.user_rows.delete_membership'),
         href: member_path(member)
       )
     end
   end
 
-  context "with a logged user (but not organization member)" do
+  context 'with a logged user (but not organization member)' do
     let(:user) { Fabricate(:user) }
 
     before do
       allow(view).to receive(:current_user).and_return(user)
 
       assign :movements, Movement.page
-      render template: "organizations/show"
+      render template: 'organizations/show'
     end
 
-    it "displays link to create petition" do
+    it 'displays link to create petition' do
       expect(rendered).to have_link(
-        t("petitions.apply"),
+        t('petitions.apply'),
         href: petitions_path(user_id: user.id, organization_id: organization.id)
       )
     end
   end
 
-  context "with a logged admin" do
+  context 'with a logged admin' do
     let(:admin) { Fabricate(:member, organization: organization, manager: true) }
     let(:user) { admin.user }
 
@@ -94,15 +94,15 @@
       allow(view).to receive(:current_user).and_return(user)
 
       assign :movements, Movement.page
-      render template: "organizations/show"
+      render template: 'organizations/show'
     end
 
-    it "has link to edit organization" do
-      expect(rendered).to have_link(t("global.edit"), href: edit_organization_path(organization))
+    it 'has link to edit organization' do
+      expect(rendered).to have_link(t('global.edit'), href: edit_organization_path(organization))
     end
   end
 
-  context "with a logged admin from other organization" do
+  context 'with a logged admin from other organization' do
     let(:other_organization) { Fabricate(:organization) }
     let(:admin) { Fabricate(:member, organization: other_organization, manager: true) }
     let(:user) { admin.user }
@@ -111,12 +111,11 @@
       allow(view).to receive(:current_user).and_return(user)
 
       assign :movements, Movement.page
-      render template: "organizations/show"
+      render template: 'organizations/show'
     end
 
-    it "does not have link to edit organization" do
-      expect(rendered).to_not have_link(t("global.edit"),
-                                        href: edit_organization_path(organization))
+    it 'does not have link to edit organization' do
+      expect(rendered).to_not have_link(t('global.edit'), href: edit_organization_path(organization))
     end
   end
 end