def METHOD_NAME(cls):
    cls.config_path = PWD.joinpath('valhalla.json')
    cls.tiles_path = Path('test/data/utrecht_tiles')
    cls.extract_path = Path('test/data/utrecht_tiles/tiles.tar')
    cls.actor = Actor(str(cls.config_path))
    # remember the old config and write it back after the tests
    with open(cls.config_path) as f:
        cls.config = json.load(f)