[TASK] Update to phpunit 4.5

Releases: master, 6.2
Resolves: #65554
Change-Id: I526f4fe39af0d19b26f525b9b062aedb456794f0
Reviewed-on: http://review.typo3.org/37573


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>