sidedata: check that the sidedata safely roundtrip We actually use the data we stored during the test. It is a way to make sure their content is not corrupted. Differential Revision: https://phab.mercurial-scm.org/D6898

# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)