def test_number_writer_zero(self):
    message = 0
    actual = _NumberWriter._write(message)
    self.assertIsInstance(actual, _OutputMessage)
    self.assertEqual('0', actual._value)
def test_number_writer_zero(self):
    message = 0
    actual = _NumberWriter._write(message)
    self.assertIsInstance(actual, _OutputMessage)
    self.assertEqual('0', actual._value)