Use !! instead of !== null in javascript
Follow up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/14061#note_42307625
We should document this in our frontend guide if this is something we want to adopt
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Follow up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/14061#note_42307625
We should document this in our frontend guide if this is something we want to adopt