Avoid crash when trying to parse string with invalid UTF-8 sequence
What does this MR do?
This fixes this exception: https://sentry.gitlap.com/gitlab/staginggitlabcom/issues/32226/
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This fixes this exception: https://sentry.gitlap.com/gitlab/staginggitlabcom/issues/32226/