test: reduce flakiness of `test-runner-output`
It was failing 1% of the times on my local machine. With that patch, I got no failures on 1000 runs.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
It was failing 1% of the times on my local machine. With that patch, I got no failures on 1000 runs.