Autofix Rubocop RSpec/BeNil (#23653)

spec/controllers/accounts_controller_spec.rb

@@ -8,7 +8,7 @@ RSpec.describe AccountsController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do

spec/controllers/activitypub/collections_controller_spec.rb

@@ -10,7 +10,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do

spec/controllers/activitypub/outboxes_controller_spec.rb

@@ -6,7 +6,7 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do

spec/controllers/activitypub/replies_controller_spec.rb

@@ -11,7 +11,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do

spec/controllers/api/v1/apps_controller_spec.rb

@@ -28,7 +28,7 @@ RSpec.describe Api::V1::AppsController, type: :controller do
       end
 
       it 'creates an OAuth app' do
-        expect(Doorkeeper::Application.find_by(name: client_name)).to_not be nil
+        expect(Doorkeeper::Application.find_by(name: client_name)).to_not be_nil
       end
 
       it 'returns client ID and client secret' do

spec/controllers/api/v1/statuses_controller_spec.rb

@@ -195,7 +195,7 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
       end
 
       it 'removes the status' do
-        expect(Status.find_by(id: status.id)).to be nil
+        expect(Status.find_by(id: status.id)).to be_nil
       end
     end
 

spec/controllers/instance_actors_controller_spec.rb

@@ -20,7 +20,7 @@ RSpec.describe InstanceActorsController, type: :controller do
 
         it 'does not set cookies' do
           expect(response.cookies).to be_empty
-          expect(response.headers['Set-Cookies']).to be nil
+          expect(response.headers['Set-Cookies']).to be_nil
         end
 
         it 'does not set sessions' do

spec/controllers/statuses_controller_spec.rb

@@ -8,7 +8,7 @@ describe StatusesController do
   shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
-      expect(response.headers['Set-Cookies']).to be nil
+      expect(response.headers['Set-Cookies']).to be_nil
     end
 
     it 'does not set sessions' do