public void ConvertPascalCaseToSnakeCaseTheory(string str, String expectedResult)
        {
            String result = CaseConversionHelper.ConvertPascalCaseToSnakeCase(str);

            Assert.Equal(expectedResult, result);
        }
        public IActionResult Get(string str)
        {
            string output = CaseConversionHelper.ConvertPascalCaseToSnakeCase(str);

            return(Ok(output));
        }