/usr/share/pyshared/zope/publisher/tests/ is in python-zope.publisher 3.12.6-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/zope/publisher/tests/__init__.py
/usr/share/pyshared/zope/publisher/tests/basetestiapplicationrequest.py
/usr/share/pyshared/zope/publisher/tests/basetestipublicationrequest.py
/usr/share/pyshared/zope/publisher/tests/basetestipublisherrequest.py
/usr/share/pyshared/zope/publisher/tests/httprequest.py
/usr/share/pyshared/zope/publisher/tests/publication.py
/usr/share/pyshared/zope/publisher/tests/test_baserequest.py
/usr/share/pyshared/zope/publisher/tests/test_baseresponse.py
/usr/share/pyshared/zope/publisher/tests/test_browser.py
/usr/share/pyshared/zope/publisher/tests/test_browserlanguages.py
/usr/share/pyshared/zope/publisher/tests/test_browserrequest.py
/usr/share/pyshared/zope/publisher/tests/test_browserresponse.py
/usr/share/pyshared/zope/publisher/tests/test_defaultview.py
/usr/share/pyshared/zope/publisher/tests/test_ftp.py
/usr/share/pyshared/zope/publisher/tests/test_http.py
/usr/share/pyshared/zope/publisher/tests/test_httpcharsets.py
/usr/share/pyshared/zope/publisher/tests/test_ipublication.py
/usr/share/pyshared/zope/publisher/tests/test_mapply.py
/usr/share/pyshared/zope/publisher/tests/test_paste.py
/usr/share/pyshared/zope/publisher/tests/test_principallogging.py
/usr/share/pyshared/zope/publisher/tests/test_publisher.py
/usr/share/pyshared/zope/publisher/tests/test_requestdataproperty.py
/usr/share/pyshared/zope/publisher/tests/test_skinnable.py
/usr/share/pyshared/zope/publisher/tests/test_xmlrpc.py
/usr/share/pyshared/zope/publisher/tests/test_xmlrpcrequest.py
/usr/share/pyshared/zope/publisher/tests/test_zcml.py
/usr/share/pyshared/zope/publisher/tests/views.py
/usr/share/pyshared/zope/publisher/tests/xmlrpcviews.py