def test_case_one(self):
solution = Solution()
self.assertEqual(solution.convert_int_to_roman(3), 'III')
def test_case_five(self):
solution = Solution()
self.assertEqual(solution.convert_int_to_roman(1994), "MCMXCIV")
def test_case_three(self):
solution = Solution()
self.assertEqual(solution.convert_int_to_roman(9), "IX")
def test_case_four(self):
solution = Solution()
self.assertEqual(solution.convert_int_to_roman(58), "LVIII")
def test_case_two(self):
solution = Solution()
self.assertEqual(solution.convert_int_to_roman(4), "IV")
