def test_basicErrors(self):
        self.result.addExpectedFailure(self.test, Failure(Exception()),
                                       makeTodo('some reason'))
        self.result.done()
        output = self.stream.getvalue().splitlines()[3].strip()
        self.assertEqual(output, "Reason: 'some reason'")
The reporter's L{printErrors} method should include the value of the
dataset/ETHPy150Open twisted/twisted/twisted/trial/test/test_reporter.py/TodoTests.test_basicErrors