cubicweb-vcreview #2577273 regression in tests: tearDownClass not defined [done]

test repo 'patchrepo' is not cleaned up any more at the end of unittest_hooks.py

prioritynormal
typebug
done in0.10.1
load0.100
load left0.000
closed by#aaa54e1df57a test: clean up test repositories after tests (closes #2577273)