public void ChangeToBinaryTest()
        {
            string         source   = "Das ist ein Test!";
            IList <string> expected = new List <string>()
            {
                "01000100", "01100001", "01110011", "00100000", "01101001", "01110011", "01110100", "00100000", "01100101", "01101001", "01101110", "00100000", "01010100", "01100101", "01110011", "01110100", "00100001"
            };
            IList <string> result = DisplayHelper.ChangeToBinary(source);

            CollectionAssert.AreEqual((List <string>)expected, (List <string>)result);

            string         source2   = "Das ist ein\nTest!";
            IList <string> expected2 = new List <string>()
            {
                "01000100", "01100001", "01110011", "00100000", "01101001", "01110011", "01110100", "00100000", "01100101", "01101001", "01101110", "\n", "01010100", "01100101", "01110011", "01110100", "00100001"
            };
            IList <string> result2 = DisplayHelper.ChangeToBinary(source2);

            CollectionAssert.AreEqual((List <string>)expected2, (List <string>)result2);
        }