def test_validate_user_phone_returns_validation_error_on_invalid_value(self):

        with self.assertRaises(ValidationError):
            validate_user_phone_no([])
 def test_validate_user_gender_returns_no_error_on_valid_value(self):
     self.assertTrue(validate_user_phone_no("2348094637282") == "2348094637282")
     self.assertTrue(validate_user_phone_no("+2348094637282") == "+2348094637282")