def test_decorateInPlaceMutatesOriginal(self):
        test = unittest.TestCase()
        suite = unittest.TestSuite([test])
        decoratedTest = unittest.decorate(
            suite, unittest.TestDecorator)
        self.assertSuitesEqual(
            decoratedTest, unittest.TestSuite([unittest.TestDecorator(test)]))
        self.assertSuitesEqual(
            suite, unittest.TestSuite([unittest.TestDecorator(test)]))
Calling L{decorate} on a test suite will mutate the original suite.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/test/test_tests.py/TestTestDecorator.test_decorateInPlaceMutatesOriginal