/usr/lib/python2.7/dist-packages/quantities/tests/ is in python-quantities 0.10.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/quantities/tests/__init__.py
/usr/lib/python2.7/dist-packages/quantities/tests/common.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_arithmetic.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_comparison.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_constants.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_conversion.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_dimensionality.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_methods.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_persistence.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_umath.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_uncertainty.py
/usr/lib/python2.7/dist-packages/quantities/tests/test_units.py