public void validateDigitsFromLines()
        {
            string firstString  = " _ ";
            string secondString = "|_|";
            string thirdString  = "|_|";

            Assert.AreEqual("8", LED_Digit_Converter.determineDigitsFromLines(firstString, secondString, thirdString));
        }
        public void validateInvalidDigitsFromLines()
        {
            string firstString  = "   ";
            string secondString = "|_|";
            string thirdString  = "   ";

            //Output should be 4
            Assert.AreNotEqual("8", LED_Digit_Converter.determineDigitsFromLines(firstString, secondString, thirdString));
        }