public void UncommonFromSentences_1()
        {
            var solution = new _0884_UncommonWordsFromTwoSentences();
            var result   = solution.UncommonFromSentences("this apple is sweet", "this apple is sour");

            AssertHelper.AssertArray(new string[] { "sweet", "sour" }, result);
        }
        public void UncommonFromSentences_2()
        {
            var solution = new _0884_UncommonWordsFromTwoSentences();
            var result   = solution.UncommonFromSentences("apple apple", "banana");

            AssertHelper.AssertArray(new string[] { "banana" }, result);
        }