def testValidateBigQueryId(self):
   test_input = GceZoneOperationsInput({})
   # If valid, function did not raise an exception and return None.
   self.assertIsNone(test_input.ValidateBigQueryId('table'))
   self.assertIsNone(test_input.ValidateBigQueryId('test_table'))
   self.assertIsNone(test_input.ValidateBigQueryId('test_table_1'))