Fix tab behavior on MergeRequests#new
Missed this one in 269aee79
Prior to this fix, clicking the Commits or Changes tab when creating a new MR would reload the page instead of display the tab contents.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Missed this one in 269aee79
Prior to this fix, clicking the Commits or Changes tab when creating a new MR would reload the page instead of display the tab contents.