/usr/lib/python2.7/dist-packages/numpy/testing/ is in python-numpy 1:1.13.3-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/numpy/testing/__init__.py
/usr/lib/python2.7/dist-packages/numpy/testing/decorators.py
/usr/lib/python2.7/dist-packages/numpy/testing/noseclasses.py
/usr/lib/python2.7/dist-packages/numpy/testing/nosetester.py
/usr/lib/python2.7/dist-packages/numpy/testing/print_coercion_tables.py
/usr/lib/python2.7/dist-packages/numpy/testing/setup.py
/usr/lib/python2.7/dist-packages/numpy/testing/tests/
/usr/lib/python2.7/dist-packages/numpy/testing/tests/test_decorators.py
/usr/lib/python2.7/dist-packages/numpy/testing/tests/test_doctesting.py
/usr/lib/python2.7/dist-packages/numpy/testing/tests/test_utils.py
/usr/lib/python2.7/dist-packages/numpy/testing/utils.py