adjust require due to changes in [27121], re #3406, re #3628

git-svn-id: svn://develop.studip.de/studip/trunk@27122 c5b85792-5220-0410-ad23-ed5b6b8ad999
adjust require due to changes in [27121], re #3628

git-svn-id: svn://develop.studip.de/studip/trunk@27123 c5b85792-5220-0410-ad23-ed5b6b8ad999