public void abc_is_subsequence_of_abhdc()
        {
            var source = "abc";
            var target = "abhdc";

            Assert.IsTrue(Subsequence.IsSubsequence(source, target));
        }
        public void axc_is_not_subsequence_of_abhdc()
        {
            var source = "axc";
            var target = "abhdc";

            Assert.IsFalse(Subsequence.IsSubsequence(source, target));
        }