Quarantine >user submits, discards batch comments<

Adding the quarantine tag to the test and keep it out
By doing this we keep the pipline clean until fix.

qa/qa/specs/features/browser_ui/3_create/merge_request/ee_add_batch_comments_in_merge_request_spec.rb

@@ -3,7 +3,7 @@
 module QA
   context 'Create' do
     describe 'batch comments in merge request' do
-      it 'user submits, discards batch comments' do
+      it 'user submits, discards batch comments', :quarantine do
         Runtime::Browser.visit(:gitlab, Page::Main::Login)
         Page::Main::Login.perform(&:sign_in_using_credentials)