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

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def reorder_item(self, item, new_position):
    orig_position = self._get_item_position(item)
    processed_new_position = super().reorder_item(item, new_position)