[TASK] Refactor route enhancer tests

* replaces nested array logic with domain objects
* introduces perputation logic (instead of foreach/foreach/foreach/...)
* introduced common variables container compiled when executing tests
  (allows to declare arbitrary behaviour without hardcoding values)
* applies more specific page type decorators in request tests

Resolves: #90053
Releases: master, 9.5
Change-Id: Id145de4aafc419ab70cd60fb8a439144307a0cec
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62815


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Susanne Moog <look@susi.dev>
Tested-by: Felix P. <f.pachowsky@neusta.de>
Tested-by: Tobi Kretschmann <tobi@tobishome.de>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Felix P. <f.pachowsky@neusta.de>
Reviewed-by: Tobi Kretschmann <tobi@tobishome.de>