[BUGFIX] Fix failing tests on OSX Mavericks

Resolves: #55603
Releases: 6.2

Change-Id: I27efb6d19f580eba455cde92dd76628f72dce536
Reviewed-on: https://review.typo3.org/27271
Reviewed-by: Wouter Wolters
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel