def test_doesNotStopOnUnexpectedSuccess(self):
        """
        L{reporter._ExitWrapper} does not cause a wrapped reporter to stop
        after an unexpected success.
        """
        self.wrapped.addUnexpectedSuccess(self.test, self.failure)
        self.assertFalse(self.wrapped.shouldStop)
        self.assertEqual(
            self.result.unexpectedSuccesses, [(self.test, self.failure)])

        L{reporter._ExitWrapper} does not cause a wrapped reporter to stop
        after an unexpected success.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/trial/test/test_reporter.py