Fix Rubocop offenses

spec/controllers/exercises_controller_spec.rb

@@ -314,9 +314,7 @@ describe ExercisesController do
     before do
       create(:lti_parameter, external_user: user, exercise:)
       submission = build(:submission, exercise:, user:)
-      allow(submission).to receive(:normalized_score).and_return(1)
-      allow(submission).to receive(:calculate_score).and_return(scoring_response)
-      allow(submission).to receive(:redirect_to_feedback?).and_return(false)
+      allow(submission).to receive_messages(normalized_score: 1, calculate_score: scoring_response, redirect_to_feedback?: false)
       allow(Submission).to receive(:create).and_return(submission)
     end
 

spec/controllers/internal_users_controller_spec.rb

@@ -178,9 +178,8 @@ describe InternalUsersController do
   describe 'GET #forgot_password' do
     context 'when no user is logged in' do
       before do
-        allow(controller).to receive(:set_sentry_context).and_return(nil)
+        allow(controller).to receive_messages(set_sentry_context: nil, current_user: nil)
 
-        allow(controller).to receive(:current_user).and_return(nil)
         get :forgot_password
       end
 
@@ -190,9 +189,8 @@ describe InternalUsersController do
 
     context 'when a user is already logged in' do
       before do
-        allow(controller).to receive(:set_sentry_context).and_return(nil)
+        allow(controller).to receive_messages(set_sentry_context: nil, current_user: user)
 
-        allow(controller).to receive(:current_user).and_return(user)
         get :forgot_password
       end
 

spec/controllers/sessions_controller_spec.rb

@@ -227,9 +227,8 @@ describe SessionsController do
   describe 'GET #new' do
     context 'when no user is logged in' do
       before do
-        allow(controller).to receive(:set_sentry_context).and_return(nil)
+        allow(controller).to receive_messages(set_sentry_context: nil, current_user: nil)
 
-        allow(controller).to receive(:current_user).and_return(nil)
         get :new
       end
 
@@ -239,9 +238,8 @@ describe SessionsController do
 
     context 'when a user is already logged in' do
       before do
-        allow(controller).to receive(:set_sentry_context).and_return(nil)
+        allow(controller).to receive_messages(set_sentry_context: nil, current_user: build(:teacher))
 
-        allow(controller).to receive(:current_user).and_return(build(:teacher))
         get :new
       end