def METHOD_NAME(pytester: pytest.Pytester) -> None:
    pytester.makeconftest(
        """
        def pytest_addoption(parser):
            parser.addini("paths", "my new ini value", type="pathlist")"""
    )
    pytester.makeini(
        """
        [pytest]
        paths=blah.py"""
    )
    pytester.makepyfile(
        r"""
        def test_overriden(pytestconfig):
            config_paths = pytestconfig.getini("paths")
            print(config_paths)
            for cpf in config_paths:
                print('\nuser_path:%s' % cpf.basename)
        """
    )
    result = pytester.runpytest("--override-ini", "paths=foo/bar1.py foo/bar2.py", "-s")
    result.stdout.fnmatch_lines(["user_path:bar1.py", "user_path:bar2.py"])