Use Hash rocket syntax to maintain Ruby 2.1 compatibility
Builds in Ruby 2.1 specs were failing in master: https://gitlab.com/gitlab-org/gitlab-ce/builds/5258614
Closes #23498 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Builds in Ruby 2.1 specs were failing in master: https://gitlab.com/gitlab-org/gitlab-ce/builds/5258614
Closes #23498 (closed)