def test_gatherError(self):
        suite = _DummySuite()
        instances = suite.gatherInstances()
        te = instances[0]
        self.assertIdentical(type(te), TestError)
Attempt collection of tests in the presence of an Failure that has
dataset/ETHPy150Open twisted/nevow/nevow/test/test_nit.py/NevowInteractiveTesterTest.test_gatherError