[TASK] Remove skipped test in extbase

The test was skipped, its guarded functionality does not exist.

Change-Id: I683a3be8ace5556052e948ca9d35eedcadd79c29
Resolves: #85612
Releases: master
Reviewed-on: https://review.typo3.org/57652


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Joerg Kummer <typo3@enobe.de>
Tested-by: Joerg Kummer <typo3@enobe.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>