[TASK] Remove eval() in fluid Unit Tests

eval() is bad and the dynamic class names are
not needed anyway

Resolves: #67666
Releases: master
Change-Id: I8e7de8126fa291e43de437df1d43a13d990070a4
Reviewed-on: http://review.typo3.org/41602


Reviewed-by: Markus Sommer <markussom@posteo.de>
Tested-by: Markus Sommer <markussom@posteo.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>