tests: conditionalize tests for various repo features
Working my down the long tail of test failures due to the simple
store.
We're now down to 38 failures with the simple store.
Differential Revision: https://phab.mercurial-scm.org/D3096
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)