def test_assertIsInstanceMultipleClasses(self):
        A = type('A', (object,), {})
        B = type('B', (object,), {})
        a = A()
        self.assertIsInstance(a, (A, B))
Test a true condition of assertIsInstance with multiple classes.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/trial/test/test_assertions.py/TestSynchronousAssertions.test_assertIsInstanceMultipleClasses