[TASK] Stabilize acceptance tests

This is one patch in the 'stabilize acceptance tests'
again mission. It changes various details in the Cest files.
At the same time changes within typo3/testing-framework
and the bamboo test execution are prepared, the version
bumps for those will follow with single patches later.

Resolves: #85470
Releases: master
Change-Id: I6ebe2499337e075f818b2726886ed02d743bb144
Reviewed-on: https://review.typo3.org/57460


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: Michael Bodnarchuk <davert.ua@gmail.com>
Tested-by: Michael Bodnarchuk <davert.ua@gmail.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>