public void ConvertStringToGuid(IGuidConverter conv, string input, Guid output)
        {
            var result = conv.ToGuid(input);

            Assert.AreEqual(output, result);
        }
        public void ConvertGuidToString(IGuidConverter conv, Guid input, string output)
        {
            var result = conv.ToString(input);

            Assert.AreEqual(output, result);
        }