def METHOD_NAME(metafunc):
    if "at_property" in metafunc.fixturenames:
        props = dict(
            inspect.getmembers(
                VoronoiDelaunayToGraph, lambda o: isinstance(o, property)
            )
        )
        metafunc.parametrize(
            "at_property", [name for name in props.keys() if "_at_" in name]
        )
    if "of_property" in metafunc.fixturenames:
        props = dict(
            inspect.getmembers(
                VoronoiDelaunayToGraph, lambda o: isinstance(o, property)
            )
        )
        metafunc.parametrize(
            "of_property",
            [
                name
                for name in props.keys()
                if "_of_" in name and not name.startswith("number")
            ],
        )