Confirmed. The "?keystone/tests/unit/credential/test_backend_sql.py" should be moved to "keystone/tests/unit/credential/" path. And the "?keystone/tests/unit/credential" path should be removed.
Confirmed. The "?keystone/ tests/unit/ credential/ test_backend_ sql.py" should be moved to "keystone/ tests/unit/ credential/ " path. And the "?keystone/ tests/unit/ credential" path should be removed.