Config timezone
Created by: bbodenmiller
Instruct user to set timezone option that was added in https://github.com/gitlabhq/gitlabhq/pull/8015
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: bbodenmiller
Instruct user to set timezone option that was added in https://github.com/gitlabhq/gitlabhq/pull/8015