Improve specs

spec/models/merge_request_spec.rb

@@ -724,6 +724,7 @@ describe MergeRequest, models: true do
           fork_project.create_forked_project_link(forked_to_project_id: fork_project.id, forked_from_project_id: project.id)
         end
       end
+
       let(:merge_request) do
         create(:merge_request,
                source_project: source_project, source_branch: 'feature',

spec/models/project_spec.rb

@@ -1661,11 +1661,11 @@ describe Project, models: true do
       end
 
       it 'does not return environment when no with_tags is set' do
-        expect(project.environments_for('master', project.commit)).not_to contain_exactly(environment)
+        expect(project.environments_for('master', project.commit)).to be_empty
       end
 
       it 'does not return environment when commit is not part of deployment' do
-        expect(project.environments_for('master', project.commit('feature'))).not_to contain_exactly(environment)
+        expect(project.environments_for('master', project.commit('feature'))).to be_empty
       end
     end
 
@@ -1679,11 +1679,11 @@ describe Project, models: true do
       end
 
       it 'does not environment when ref is different' do
-        expect(project.environments_for('feature', project.commit)).not_to contain_exactly(environment)
+        expect(project.environments_for('feature', project.commit)).to be_empty
       end
 
       it 'does not return environment when commit is not part of deployment' do
-        expect(project.environments_for('master', project.commit('feature'))).not_to contain_exactly(environment)
+        expect(project.environments_for('master', project.commit('feature'))).to be_empty
       end
     end
   end