def test_iadd(self, evt):
        rval = event.ReturnValue(append_events=[evt])
        rval2 = event.ReturnValue(eat=True, append_events=[evt])
        rset = event.ResultSet()

        rset += rval
        rset += rval2
        rset += None
        assert rset.eat
        assert rset.append_events == [evt, evt]
def test_validation_for_handled_application_with_invalid_final_review(self):
        self.assertEqual(
            self.voiceover_application.status,
            suggestion_models.STATUS_IN_REVIEW)
        self.assertEqual(self.voiceover_application.final_reviewer_id, None)
        self.voiceover_application.validate()

        self.voiceover_application.status = suggestion_models.STATUS_ACCEPTED
        with self.assertRaisesRegex(
            utils.ValidationError, 'Expected final_reviewer_id to be a string'
        ):
            self.voiceover_application.validate()