nose does not support Python 3.10 and is deprecated.
pytest also gives good and nice output, so use this instead in the
GitHub Action and in the docs

- coverage settings
- don't capture warnings, as then logging would not be able to capture
  them, causing test fails
  see https://docs.pytest.org/en/6.2.x/warnings.html#disabling-warning-capture-entirely

apparently nose dependes on jinja2 and installed jinja2 implicitly

support the initialization logging message on python 3.10
Python 3.10 returns such a version info:
python 3.10.2 (main, Jan 16 2022, 11:55:27) [GCC 9.3.0]
the gcc version is now
extend the regex to catch this and make it more generic, less complex

- the __init__.py was missing. this was the reason that this test was
  never executed before with nose
- set the overwrite parameter to test the behaviour actually

the old code assumed that there were no command line arguments to the
calling program.
now set the arguments explicitly to []