[TASK] Make BackendUtilityTest notice free

Releases: master
Resolves: #84424
Change-Id: I9725095aff97fe662612e225bb0713f40e0255e3
Reviewed-on: https://review.typo3.org/56293


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>