test-strip: fix call to super class in crashstriprepo
The 'self' argument is already taken care of by the 'super(...)' call. Instead
we were passing the repository instance as the 'desc' value.
This got discovered by breaking the next changeset.
To run the tests, do:
cd tests/
python run-tests.py
See https://mercurial-scm.org/wiki/WritingTests for
more information on writing tests.