[TASK] Update to phpunit 4.4

As notable feature the new assertArraySubset() can be used
to compare sub array parts.

Change-Id: I981fe50652a8685410bd4101d72ad5dec9257bf5
Releases: 6.2, master
Resolves: #63625
Reviewed-on: http://review.typo3.org/35102
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>