def test_detached_when_policy_detached(self):
        self.conn.list_principal_policies.return_value = {'policies': []}
        result = salt_states['boto_iot.policy_detached']('test', policy_ret['policyName'], principal)
        self.assertTrue(result['result'])
        self.assertEqual(result['changes'], {})
Test emtpy regex match.
dataset/ETHPy150Open saltstack/salt/tests/unit/states/boto_iot_test.py/BotoIoTPolicyTestCase.test_detached_when_policy_detached--crossover with--dataset/ETHPy150Open igordejanovic/textX/tests/functional/test_textx_language.py/test_empty_regexmatch