/usr/lib/python2.7/dist-packages/oslo_policy/tests/ is in python-oslo.policy 1.33.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/oslo_policy/tests/__init__.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/base.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_checks.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_external.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_fixtures.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_generator.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_opts.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_parser.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_policy.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_sphinxext.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/test_sphinxpolicygen.py
/usr/lib/python2.7/dist-packages/oslo_policy/tests/token_fixture.py