Re-add assert for unittest
Re-add assert for unittest

Shame on me, I had to re-add the assert I previously deleted.

lukasjuhrich/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,lukasjuhrich/pycroft,lukasjuhrich/pycroft,lukasjuhrich/pycroft