/usr/lib/python2.7/dist-packages/letsencrypt/tests/ is in python-letsencrypt 0.4.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/letsencrypt/tests/__init__.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/account_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/acme_util.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/auth_handler_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/cli_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/client_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/colored_logging_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/configuration_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/continuity_auth_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/crypto_util_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/display/
/usr/lib/python2.7/dist-packages/letsencrypt/tests/display/__init__.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/display/enhancements_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/display/ops_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/display/util_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/error_handler_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/errors_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/le_util_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/log_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/notify_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/proof_of_possession_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/reporter_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/reverter_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/storage_test.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/test_util.py
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/archive/
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/archive/sample-renewal/
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/archive/sample-renewal/cert1.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/archive/sample-renewal/chain1.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/archive/sample-renewal/fullchain1.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/archive/sample-renewal/privkey1.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/cert-san.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/cert.b64jose
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/cert.der
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/cert.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/cli.ini
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/csr-6sans.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/csr-nosans.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/csr-san.der
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/csr-san.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/csr.der
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/csr.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/dsa512_key.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/dsa_cert.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/live/
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/live/sample-renewal/
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/live/sample-renewal/cert.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/live/sample-renewal/chain.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/live/sample-renewal/fullchain.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/live/sample-renewal/privkey.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/matching_cert.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/rsa256_key.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/rsa512_key.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/rsa512_key_2.pem
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/sample-renewal-ancient.conf
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/sample-renewal.conf
/usr/lib/python2.7/dist-packages/letsencrypt/tests/testdata/webrootconftest.ini