def test_bool(self):
        prio_set_list = event._PrioritizedSetList()

        assert bool(prio_set_list) is False

        prio_set_list.add(0, None)
        assert bool(prio_set_list) is True
def test_is_handled_property_returns_correct_value(self):
        self.assertFalse(self.voiceover_application.is_handled)

        self.voiceover_application.accept(self.reviewer_id)

        self.assertTrue(self.voiceover_application.is_handled)