/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/ is in python-os-xenapi 0.3.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/__init__.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/plugin_test.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_agent.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_bandwidth.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_dom0_plugin_version.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_dom0_pluginlib.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_glance.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_partition_utils.py
/usr/lib/python2.7/dist-packages/os_xenapi/tests/plugins/test_xenhost.py