Add use cases for Deploy Boards
What does this MR do?
Add use cases to Deploy Board. Taken and adapted from https://gitlab.com/gitlab-org/gitlab-ee/issues/1589#note_21889683
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Add use cases to Deploy Board. Taken and adapted from https://gitlab.com/gitlab-org/gitlab-ee/issues/1589#note_21889683