Port of 31335-job-dropdown to EE
Port of 31335-job-dropdown to EE https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10887
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Port of 31335-job-dropdown to EE https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10887