def test_contains(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def toggle_ignoring_sigint_v2_engine(cls, toggle: bool) -> None:
        assert cls._signal_handler is not None
        cls._signal_handler._toggle_ignoring_sigint_v2_engine(toggle)