[TASK] Allow calling tests with phpdbg-SAPI

Using phpdbg with phpunit it a fast way to create code-coverage-reports.

Change-Id: If3a1b2f957af6937d0191b4d9a1e656aac5373a7
Resolves: #72076
Releases: master
Reviewed-on: https://review.typo3.org/45157


Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Andreas Wolf <andreas.wolf@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>