Don't perform changelog compilation on RCs
This is one way to fix https://dev.gitlab.org/gitlab/gitlabhq/commit/605d338acc19386ba7dfd5e57afd5542e40f70fb
Even if we don't end up going this way, I think the specs are an improvement.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This is one way to fix https://dev.gitlab.org/gitlab/gitlabhq/commit/605d338acc19386ba7dfd5e57afd5542e40f70fb
Even if we don't end up going this way, I think the specs are an improvement.