Refs #12159 throw exception at the latest possible point to fix unit tests

3 jobs for S12159Typo3V9QfqHtaccessEinschubRaus in 3 minutes and 32 seconds
Name Stage Failure
failed
selenium Selenium
$ echo "Or download result (log/screenshot) in gitlab under CI/CD > Pipelines  <job> > right side 'Artifacts'"
Or download result (log/screenshot) in gitlab under CI/CD > Pipelines <job> > right side 'Artifacts'
Uploading artifacts for failed job
Uploading artifacts...
Runtime platform
arch=amd64 os=linux pid=10261 revision=2ebc4dc4 version=13.9.0
extension/Tests/selenium/selenium_logs/: found 17 matching files and directories

Uploading artifacts as "archive" to coordinator... ok
id=8964 responseStatus=201 Created token=198asXp2
Cleaning up file based variables
ERROR: Job failed: exit status 1