test: adapt to output change from 10e162bb9bf5
The changeset 10e162bb9bf5 in code extend the list of capabilities to include
"phases=['heads']" this has a minor impact on test output
CORE-TEST-OUTPUT-UPDATE: 10e162bb9bf5
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)