Revert "update ruby to 2.5.3 (#167)"

This reverts commit d43bed1.

undo ruby update

.github/workflows/deploy.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5.3
+          ruby-version: 2.5.0
       - run: | 
           bundle install
       - name: Deploy to production

.github/workflows/ruby.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5.3
+          ruby-version: 2.5.0
       - run: | 
           bundle install --without production development
       - env:
@@ -51,7 +51,7 @@ jobs:
       - name: Setup Ruby and install gems
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5.3
+          ruby-version: 2.5.0
       - run: | 
           bundle install --without production development
       - name: Run rubocop

.travis.yml

@@ -1,6 +1,6 @@
 language: ruby
 cache: bundler
-rvm: 2.5.3
+rvm: 2.5.0
 bundler_args: "--without production development"
 services: postgresql
 

Gemfile

@@ -6,7 +6,7 @@ git_source(:github) { |name| "https://github.com/#{name}.git" }
 ### BASICS
 
 # Ruby version
-ruby '2.5.3'
+ruby '2.5.0'
 # Rails version
 gem 'rails', '~> 4'
 # Use postgres as database

Gemfile.lock

@@ -436,7 +436,7 @@ DEPENDENCIES
   wkhtmltopdf-binary
 
 RUBY VERSION
-   ruby 2.5.3
+   ruby 2.5.0p0
 
 BUNDLED WITH
    1.17.3

db/structure.sql

@@ -32,7 +32,7 @@ COMMENT ON EXTENSION pg_trgm IS 'text similarity measurement and index searching
 
 SET default_tablespace = '';
 
--- SET default_table_access_method = heap;
+SET default_table_access_method = heap;
 
 --
 -- Name: about_users; Type: TABLE; Schema: public; Owner: -

scripts/provision.sh

@@ -17,8 +17,8 @@ su ubuntu <<'EOF'
 gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
 curl -sSL https://get.rvm.io | bash -s stable
 source ~/.rvm/scripts/rvm
-rvm install 2.5.3
-rvm use 2.5.3 --default
+rvm install 2.5.0
+rvm use 2.5.0 --default
 gem install bundler
 cd /vagrant
 cp config/database.yml.default config/database.yml

test/models/long_submission_test.rb

@@ -64,7 +64,7 @@ class LongSubmissionTest < ActiveSupport::TestCase
   end
 
   test 'text to score' do
-    assert_nil LongSubmission.text_to_score('-')
+    assert_equal LongSubmission.text_to_score('-'), nil
     assert_equal LongSubmission.text_to_score('100'), 100
   end