diff --git a/test/bulk_delivery_methods/webhook_test.rb b/test/bulk_delivery_methods/webhook_test.rb
index 33a2d24..0a1196d 100644
--- a/test/bulk_delivery_methods/webhook_test.rb
+++ b/test/bulk_delivery_methods/webhook_test.rb
@@ -12,7 +12,9 @@ class WebhookBulkDeliveryMethodTest < ActiveSupport::TestCase
     )
     stub_request(:post, "https://example.org/webhook").with(body: "{\"foo\":\"bar\"}")
 
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook with form payload" do
@@ -21,7 +23,9 @@ class WebhookBulkDeliveryMethodTest < ActiveSupport::TestCase
       form: {foo: :bar}
     )
     stub_request(:post, "https://example.org/webhook").with(headers: {"Content-Type" => /application\/x-www-form-urlencoded/})
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook with basic auth" do
@@ -30,7 +34,9 @@ class WebhookBulkDeliveryMethodTest < ActiveSupport::TestCase
       basic_auth: {user: "username", pass: "password"}
     )
     stub_request(:post, "https://example.org/webhook").with(headers: {"Authorization" => "Basic dXNlcm5hbWU6cGFzc3dvcmQ="})
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook with headers" do
@@ -39,7 +45,10 @@ class WebhookBulkDeliveryMethodTest < ActiveSupport::TestCase
       headers: {"Content-Type" => "application/json"}
     )
     stub_request(:post, "https://example.org/webhook").with(headers: {"Content-Type" => "application/json"})
-    @delivery_method.deliver
+
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook raises error with unsuccessful status codes" do
diff --git a/test/delivery_methods/fcm_test.rb b/test/delivery_methods/fcm_test.rb
index 3eb5827..fd3f33d 100644
--- a/test/delivery_methods/fcm_test.rb
+++ b/test/delivery_methods/fcm_test.rb
@@ -37,7 +37,9 @@ def fetch_access_token!
     stub_request(:post, "https://fcm.googleapis.com/v1/projects/p_1234/messages:send").with(body: "{\"message\":{\"token\":\"a\",\"notification\":{\"title\":\"Title\",\"body\":\"Body\"}}}")
     stub_request(:post, "https://fcm.googleapis.com/v1/projects/p_1234/messages:send").with(body: "{\"message\":{\"token\":\"b\",\"notification\":{\"title\":\"Title\",\"body\":\"Body\"}}}")
 
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "notifies of invalid tokens for clean up" do
diff --git a/test/delivery_methods/microsoft_teams_test.rb b/test/delivery_methods/microsoft_teams_test.rb
index e8eed26..04cfd5c 100644
--- a/test/delivery_methods/microsoft_teams_test.rb
+++ b/test/delivery_methods/microsoft_teams_test.rb
@@ -11,7 +11,9 @@ class MicrosoftTeamsTest < ActiveSupport::TestCase
 
   test "sends a message" do
     stub_request(:post, "https://teams.microsoft.com").with(body: "{\"foo\":\"bar\"}")
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "raises error on failure" do
diff --git a/test/delivery_methods/slack_test.rb b/test/delivery_methods/slack_test.rb
index fdd671e..c1b4fb9 100644
--- a/test/delivery_methods/slack_test.rb
+++ b/test/delivery_methods/slack_test.rb
@@ -8,7 +8,9 @@ class SlackTest < ActiveSupport::TestCase
 
   test "sends a slack message" do
     stub_request(:post, Noticed::DeliveryMethods::Slack::DEFAULT_URL).with(body: "{\"foo\":\"bar\"}")
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "raises error on failure" do
diff --git a/test/delivery_methods/twilio_messaging_test.rb b/test/delivery_methods/twilio_messaging_test.rb
index df6a7de..f9dca02 100644
--- a/test/delivery_methods/twilio_messaging_test.rb
+++ b/test/delivery_methods/twilio_messaging_test.rb
@@ -29,7 +29,10 @@ class TwilioMessagingTest < ActiveSupport::TestCase
         Body: "Hello world"
       }
     ).to_return(status: 200)
-    @delivery_method.deliver
+
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "raises error on failure" do
diff --git a/test/delivery_methods/vonage_sms_test.rb b/test/delivery_methods/vonage_sms_test.rb
index dd49c48..22ee823 100644
--- a/test/delivery_methods/vonage_sms_test.rb
+++ b/test/delivery_methods/vonage_sms_test.rb
@@ -8,7 +8,9 @@ class VonageSmsTest < ActiveSupport::TestCase
   test "sends sms" do
     set_config(json: {foo: :bar})
     stub_request(:post, Noticed::DeliveryMethods::VonageSms::DEFAULT_URL).with(body: "{\"foo\":\"bar\"}").to_return(status: 200, body: "{\"messages\":[{\"status\":\"0\"}]}")
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "raises error on failure" do
diff --git a/test/delivery_methods/webhook_test.rb b/test/delivery_methods/webhook_test.rb
index ee9f52d..4a31b42 100644
--- a/test/delivery_methods/webhook_test.rb
+++ b/test/delivery_methods/webhook_test.rb
@@ -12,7 +12,9 @@ class WebhookDeliveryMethodTest < ActiveSupport::TestCase
     )
     stub_request(:post, "https://example.org/webhook").with(body: "{\"foo\":\"bar\"}")
 
-    @delivery_method.deliver
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook with form payload" do
@@ -21,7 +23,10 @@ class WebhookDeliveryMethodTest < ActiveSupport::TestCase
       form: {foo: :bar}
     )
     stub_request(:post, "https://example.org/webhook").with(headers: {"Content-Type" => /application\/x-www-form-urlencoded/})
-    @delivery_method.deliver
+
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook with basic auth" do
@@ -30,7 +35,10 @@ class WebhookDeliveryMethodTest < ActiveSupport::TestCase
       basic_auth: {user: "username", pass: "password"}
     )
     stub_request(:post, "https://example.org/webhook").with(headers: {"Authorization" => "Basic dXNlcm5hbWU6cGFzc3dvcmQ="})
-    @delivery_method.deliver
+
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook with headers" do
@@ -39,7 +47,10 @@ class WebhookDeliveryMethodTest < ActiveSupport::TestCase
       headers: {"Content-Type" => "application/json"}
     )
     stub_request(:post, "https://example.org/webhook").with(headers: {"Content-Type" => "application/json"})
-    @delivery_method.deliver
+
+    assert_nothing_raised do
+      @delivery_method.deliver
+    end
   end
 
   test "webhook raises error with unsuccessful status codes" do
diff --git a/test/notifier_test.rb b/test/notifier_test.rb
index 99ac26b..a6678d9 100644
--- a/test/notifier_test.rb
+++ b/test/notifier_test.rb
@@ -71,7 +71,9 @@ def recipients
   end
 
   test "deliver without recipients" do
-    ReceiptNotifier.deliver
+    assert_nothing_raised do
+      ReceiptNotifier.deliver
+    end
   end
 
   test "deliver creates an event" do