fix page render issues on contribution calendar while tests are run

app/assets/stylesheets/test.scss

@@ -4,11 +4,6 @@
   -ms-transition: none !important;
   -webkit-transition: none !important;
   transition: none !important;
-  -o-transform: none !important;
-  -moz-transform: none !important;
-  -ms-transform: none !important;
-  -webkit-transform: none !important;
-  transform: none !important;
   -webkit-animation: none !important;
   -moz-animation: none !important;
   -o-animation: none !important;

spec/features/calendar_spec.rb

@@ -112,7 +112,7 @@ feature 'Contributions Calendar', :js do
         end
 
         it 'hides calendar day activities' do
-          expect(selected_day_activities).to be_empty
+          expect(find('.user-calendar-activities', visible: false).text).to be_empty
         end
       end
     end