Merge branch 'winh-batch_comments_spec-quarantine' into 'master'

Put batch_comments_spec.rb in quarantine

See merge request gitlab-org/gitlab-ee!9837

ee/spec/features/merge_request/batch_comments_spec.rb

 require 'rails_helper'
 
-describe 'Merge request > Batch comments', :js do
+describe 'Merge request > Batch comments', :js, :quarantine do
   include MergeRequestDiffHelpers
   include RepoHelpers