private void When_InputFileDosntExist_Expect_Exception_Helper()
        {
            string inputStr          = "Input_Files/existingInput.txt";
            string relativeInputPath = OSString + inputStr;

            ArgParser.GetInputPath(relativeInputPath);
        }
        public void When_Correct_GetInputPath_Expect_True()
        {
            string inputStr = Path.Combine("Input_Files", "input.txt");

            // IO must be either "Input_Files" or "Output_Files".
            // Expected output for test files.
            // Paths contain "Nodegraph_Generator.Tests"
            string relativePath = Path.Combine(OSString, inputStr);
            string inputPath    = ArgParser.GetInputPath(relativePath);

            string expectedInputPath = Path.Combine("SUM_Nodegraph_Generator", inputStr);

            StringAssert.Contains(expectedInputPath, inputPath);
        }