test: fix suite signal
Fixes: https://github.com/nodejs/node/issues/47882 @MoLow that's the bug about the suite not getting the AbortSignal correctly.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Fixes: https://github.com/nodejs/node/issues/47882 @MoLow that's the bug about the suite not getting the AbortSignal correctly.