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

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def set_values(self, values):
    self._locker.lock("emit_size_spin_button_value_changed")
    self._locker.lock("prevent_removal_below_min_size")