Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Part of https://gitlab.com/gitlab-org/gitlab-ce/issues/3050
Screenshots of both the export and import processes:
1 - Project settings
2 - Flash after clicking on export
3 - Email received with download link
4 - The project settings export screen changes so we can either delete the file or download it again (it won't generate a new export, unless we delete it first)
5 - After delete flash
1 - New project page with new gitlab export option
2 - Next step importing - choosing a file
3 - Import in progress
4 - Import successful