def test_case_four(self):
        solution = Solution()

        self.assertEqual(solution.is_palindrome_number(1234321), True)
    def test_case_one(self):
        solution = Solution()

        self.assertEqual(solution.is_palindrome_number(123), False)
    def test_case_three(self):
        solution = Solution()

        self.assertEqual(solution.is_palindrome_number(1), True)