/usr/share/pyshared/ZEO/tests/ is in python-zodb 1:3.10.5-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/ZEO/tests/Cache.py
/usr/share/pyshared/ZEO/tests/CommitLockTests.py
/usr/share/pyshared/ZEO/tests/ConnectionTests.py
/usr/share/pyshared/ZEO/tests/InvalidationTests.py
/usr/share/pyshared/ZEO/tests/IterationTests.py
/usr/share/pyshared/ZEO/tests/TestThread.py
/usr/share/pyshared/ZEO/tests/ThreadTests.py
/usr/share/pyshared/ZEO/tests/__init__.py
/usr/share/pyshared/ZEO/tests/auth_plaintext.py
/usr/share/pyshared/ZEO/tests/client-config.test
/usr/share/pyshared/ZEO/tests/drop_cache_rather_than_verify.txt
/usr/share/pyshared/ZEO/tests/forker.py
/usr/share/pyshared/ZEO/tests/invalidation-age.txt
/usr/share/pyshared/ZEO/tests/protocols.test
/usr/share/pyshared/ZEO/tests/registerDB.test
/usr/share/pyshared/ZEO/tests/servertesting.py
/usr/share/pyshared/ZEO/tests/speed.py
/usr/share/pyshared/ZEO/tests/stress.py
/usr/share/pyshared/ZEO/tests/testAuth.py
/usr/share/pyshared/ZEO/tests/testConnection.py
/usr/share/pyshared/ZEO/tests/testConversionSupport.py
/usr/share/pyshared/ZEO/tests/testMonitor.py
/usr/share/pyshared/ZEO/tests/testTransactionBuffer.py
/usr/share/pyshared/ZEO/tests/testZEO.py
/usr/share/pyshared/ZEO/tests/testZEO2.py
/usr/share/pyshared/ZEO/tests/testZEOOptions.py
/usr/share/pyshared/ZEO/tests/test_cache.py
/usr/share/pyshared/ZEO/tests/zdoptions.test
/usr/share/pyshared/ZEO/tests/zeo-fan-out.test
/usr/share/pyshared/ZEO/tests/zeo_blob_cache.test
/usr/share/pyshared/ZEO/tests/zeoserver.py