/usr/lib/python2.7/dist-packages/astropy/tests/ is in python-astropy 1.3-8.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/astropy/tests/__init__.py
/usr/lib/python2.7/dist-packages/astropy/tests/command.py
/usr/lib/python2.7/dist-packages/astropy/tests/coveragerc
/usr/lib/python2.7/dist-packages/astropy/tests/disable_internet.py
/usr/lib/python2.7/dist-packages/astropy/tests/helper.py
/usr/lib/python2.7/dist-packages/astropy/tests/image_tests.py
/usr/lib/python2.7/dist-packages/astropy/tests/output_checker.py
/usr/lib/python2.7/dist-packages/astropy/tests/pytest_plugins.py
/usr/lib/python2.7/dist-packages/astropy/tests/runner.py
/usr/lib/python2.7/dist-packages/astropy/tests/setup_package.py
/usr/lib/python2.7/dist-packages/astropy/tests/test_logger.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/
/usr/lib/python2.7/dist-packages/astropy/tests/tests/__init__.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/data/
/usr/lib/python2.7/dist-packages/astropy/tests/tests/data/open_file_detection.txt
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_imports.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_open_file_detection.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_quantity_helpers.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_run_tests.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_runner.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_skip_remote_data.py
/usr/lib/python2.7/dist-packages/astropy/tests/tests/test_socketblocker.py