def test_validate_phonenumber2(self): try: validate_phonenumber(7153456434) except TypeError: pass else: self.fail("Expected Typeerror")
def test_validate_phonenumber1(self): self.assertEqual(validate_phonenumber("902106"), None)
def test_validate_phonenumber0(self): self.assertEqual(validate_phonenumber("7153456434"), "7153456434")