Merge branch 'winh-notes_spec-timeout' into 'master'

Increase timeout for notes_spec.js

See merge request gitlab-org/gitlab-ce!27270

spec/javascripts/notes_spec.js

@@ -670,7 +670,7 @@ describe('Notes', function() {
           done();
         })
         .catch(done.fail);
-    });
+    }, 2000);
   });
 
   describe('postComment with Slash commands', () => {