Fix rubocop offenses

spec/controllers/exercises_controller_spec.rb

@@ -268,11 +268,11 @@ describe ExercisesController do
     context 'when viewing the default submission statistics page without a parameter' do
       it 'does not list autosaved submissions' do
         perform_request
-        expect(assigns(:all_events).filter {|event| event.is_a? Submission }).to match_array [
+        expect(assigns(:all_events).filter {|event| event.is_a? Submission }).to contain_exactly(
           an_object_having_attributes(cause: 'run', user_id: external_user.id),
           an_object_having_attributes(cause: 'assess', user_id: external_user.id),
-          an_object_having_attributes(cause: 'run', user_id: external_user.id),
-        ]
+          an_object_having_attributes(cause: 'run', user_id: external_user.id)
+        )
       end
     end
 

spec/controllers/request_for_comments_controller_spec.rb

@@ -37,7 +37,7 @@ describe RequestForCommentsController do
 
       it 'shows all RfCs' do
         get :index
-        expect(assigns(:request_for_comments)).to match_array([rfc_other_consumer, rfc_other_study_group, rfc_peer])
+        expect(assigns(:request_for_comments)).to contain_exactly(rfc_other_consumer, rfc_other_study_group, rfc_peer)
       end
     end
 
@@ -46,7 +46,7 @@ describe RequestForCommentsController do
 
       it 'shows only RfCs of the same consumer' do
         get :index
-        expect(assigns(:request_for_comments)).to match_array([rfc_other_study_group, rfc_peer])
+        expect(assigns(:request_for_comments)).to contain_exactly(rfc_other_study_group, rfc_peer)
       end
     end
 
@@ -55,7 +55,7 @@ describe RequestForCommentsController do
 
       it 'shows only RfCs of the same study group' do
         get :index
-        expect(assigns(:request_for_comments)).to match_array([rfc_peer])
+        expect(assigns(:request_for_comments)).to contain_exactly(rfc_peer)
       end
     end
   end