1.7: pytest fails in two units with TypeError: Can't instantiate abstract class DBusSpawnedTestCase with abstract methods _get_message_bus, _get_service error

[kloczek]

Looks like something is wrong and pytest fails in two units with pytest 8.2.1

+ PYTHONPATH=/home/tkloczko/rpmbuild/BUILDROOT/python-dasbus-1.7-7.fc37.x86_64/usr/lib64/python3.10/site-packages:/home/tkloczko/rpmbuild/BUILDROOT/python-dasbus-1.7-7.fc37.x86_64/usr/lib/python3.10/site-packages
+ /usr/bin/pytest -ra -m 'not network'
==================================================================================== test session starts ====================================================================================
platform linux -- Python 3.10.14, pytest-8.2.1, pluggy-1.5.0 -- /usr/bin/python3
cachedir: .pytest_cache
hypothesis profile 'default' -> database=DirectoryBasedExampleDatabase(PosixPath('/home/tkloczko/rpmbuild/BUILD/dasbus-1.7/.hypothesis/examples'))
benchmark: 4.0.0 (defaults: timer=time.perf_counter disable_gc=False min_rounds=5 min_time=0.000005 max_time=1.0 calibration_precision=10 warmup=False warmup_iterations=100000)
rootdir: /home/tkloczko/rpmbuild/BUILD/dasbus-1.7
configfile: pyproject.toml
testpaths: tests
plugins: hypothesis-6.100.0, benchmark-4.0.0, mock-3.14.0, timeout-2.3.1, twisted-1.14.1, tornasync-0.6.0.post2, trio-0.8.0, anyio-4.3.0, asyncio-0.23.7
asyncio: mode=strict
collected 232 items / 5 errors

========================================================================================== ERRORS ===========================================================================================
____________________________________________________________________________ ERROR collecting tests/lib_dbus.py _____________________________________________________________________________
/usr/lib/python3.10/site-packages/_pytest/runner.py:341: in from_call
    result: Optional[TResult] = func()
/usr/lib/python3.10/site-packages/_pytest/runner.py:389: in collect
    return list(collector.collect())
/usr/lib/python3.10/site-packages/_pytest/unittest.py:90: in collect
    self.session._fixturemanager.parsefactories(self.newinstance(), self.nodeid)
/usr/lib/python3.10/site-packages/_pytest/unittest.py:75: in newinstance
    return self.obj("runTest")
E   TypeError: Can't instantiate abstract class AbstractDBusTestCase with abstract methods _get_message_bus, _get_service
____________________________________________________________________________ ERROR collecting tests/lib_dbus.py _____________________________________________________________________________
/usr/lib/python3.10/site-packages/_pytest/runner.py:341: in from_call
    result: Optional[TResult] = func()
/usr/lib/python3.10/site-packages/_pytest/runner.py:389: in collect
    return list(collector.collect())
/usr/lib/python3.10/site-packages/_pytest/unittest.py:90: in collect
    self.session._fixturemanager.parsefactories(self.newinstance(), self.nodeid)
/usr/lib/python3.10/site-packages/_pytest/unittest.py:75: in newinstance
    return self.obj("runTest")
E   TypeError: Can't instantiate abstract class DBusThreadedTestCase with abstract methods _get_message_bus, _get_service
____________________________________________________________________________ ERROR collecting tests/lib_dbus.py _____________________________________________________________________________
/usr/lib/python3.10/site-packages/_pytest/runner.py:341: in from_call
    result: Optional[TResult] = func()
/usr/lib/python3.10/site-packages/_pytest/runner.py:389: in collect
    return list(collector.collect())
/usr/lib/python3.10/site-packages/_pytest/unittest.py:90: in collect
    self.session._fixturemanager.parsefactories(self.newinstance(), self.nodeid)
/usr/lib/python3.10/site-packages/_pytest/unittest.py:75: in newinstance
    return self.obj("runTest")
E   TypeError: Can't instantiate abstract class DBusSpawnedTestCase with abstract methods _get_message_bus, _get_service
____________________________________________________________________________ ERROR collecting tests/test_dbus.py ____________________________________________________________________________
/usr/lib/python3.10/site-packages/_pytest/runner.py:341: in from_call
    result: Optional[TResult] = func()
/usr/lib/python3.10/site-packages/_pytest/runner.py:389: in collect
    return list(collector.collect())
/usr/lib/python3.10/site-packages/_pytest/unittest.py:90: in collect
    self.session._fixturemanager.parsefactories(self.newinstance(), self.nodeid)
/usr/lib/python3.10/site-packages/_pytest/unittest.py:75: in newinstance
    return self.obj("runTest")
E   TypeError: Can't instantiate abstract class DBusThreadedTestCase with abstract methods _get_message_bus, _get_service
____________________________________________________________________________ ERROR collecting tests/test_unix.py ____________________________________________________________________________
/usr/lib/python3.10/site-packages/_pytest/runner.py:341: in from_call
    result: Optional[TResult] = func()
/usr/lib/python3.10/site-packages/_pytest/runner.py:389: in collect
    return list(collector.collect())
/usr/lib/python3.10/site-packages/_pytest/unittest.py:90: in collect
    self.session._fixturemanager.parsefactories(self.newinstance(), self.nodeid)
/usr/lib/python3.10/site-packages/_pytest/unittest.py:75: in newinstance
    return self.obj("runTest")
E   TypeError: Can't instantiate abstract class DBusSpawnedTestCase with abstract methods _get_message_bus, _get_service
================================================================================== short test summary info ==================================================================================
ERROR tests/lib_dbus.py::AbstractDBusTestCase - TypeError: Can't instantiate abstract class AbstractDBusTestCase with abstract methods _get_message_bus, _get_service
ERROR tests/lib_dbus.py::DBusThreadedTestCase - TypeError: Can't instantiate abstract class DBusThreadedTestCase with abstract methods _get_message_bus, _get_service
ERROR tests/lib_dbus.py::DBusSpawnedTestCase - TypeError: Can't instantiate abstract class DBusSpawnedTestCase with abstract methods _get_message_bus, _get_service
ERROR tests/test_dbus.py::DBusThreadedTestCase - TypeError: Can't instantiate abstract class DBusThreadedTestCase with abstract methods _get_message_bus, _get_service
ERROR tests/test_unix.py::DBusSpawnedTestCase - TypeError: Can't instantiate abstract class DBusSpawnedTestCase with abstract methods _get_message_bus, _get_service
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 5 errors during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
===================================================================================== 5 errors in 0.53s =====================================================================================