Increase the notes polling timeout over time
Originally by @roperzh at https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2821
Fixes #13300 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Originally by @roperzh at https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2821
Fixes #13300 (closed)