add more tests to the "local_server" collection

pytest.ini

tests/test_authentication.py

tests/test_datetime.py

tests/test_file.py

tests/test_issues_server.py

tests/test_query.py

tests/test_query_version.py

tests/test_server_side_scripting.py

tests/test_tickets.py

tests/test_xmlparsing.py

tox.ini