Port of 28732-expandable-folders to EE
Port of 28732-expandable-folders to EE https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10290/
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Port of 28732-expandable-folders to EE https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10290/