Merge branch 'quarantine-flaky-specs' into 'master'

Quarantine flaky specs

See merge request gitlab-org/gitlab-ee!10680

ee/spec/features/epics/shortcuts_epic_spec.rb

@@ -41,7 +41,7 @@ describe 'Epic shortcuts', :js do
       wait_for_requests
     end
 
-    it "quotes the selected text" do
+    it "quotes the selected text", :quarantine do
       select_element('.note-text')
       find('body').native.send_key('r')