add levels
Taking what @pcarranza said in https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/2573 and adding here. Please also add details for staff level. cc @stanhu
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Taking what @pcarranza said in https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/2573 and adding here. Please also add details for staff level. cc @stanhu