def METHOD_NAME(monkeypatch):
    monkeypatch.setattr(multipathconfread, '_parse_config_orig', multipathconfread._parse_config, raising=False)
    monkeypatch.setattr(multipathconfread, '_parse_config', mock_parse_config)
    expected_configs = (not_set_dir_conf, empty1_conf, nothing_important_conf)
    facts = multipathconfread.get_multipath_conf_facts(os.path.join(TEST_DIR, 'not_set_dir.conf'))
    assert facts
    assert len(facts.configs) == 3
    for i in range(len(facts.configs)):
        assert_config(facts.configs[i], expected_configs[i])