public void Convert_test_1()
        {
            var htob   = new HexToBinary();
            var result = htob.Convert("3AB2");

            Assert.AreEqual(result, "0011101010110010");
        }
        public void Convert_test_2()
        {
            var htob   = new HexToBinary();
            var result = htob.Convert("1F9B");

            Assert.AreEqual(result, "0001111110011011");
        }
        public void Convert_test_4()
        {
            var htob   = new HexToBinary();
            var result = htob.Convert("FABF");

            Assert.AreEqual(result, "1111101010111111");
        }
 public void ConvertIt_Passabc123_returnsHex()
 {
     Assert.AreEqual("1010 1011 1100 0001 0010 0011 ", HexToBinary.ConvertIt("abc123"));
 }