public void RangeSetTest()
        {
            IWordModel    model        = new WordModel(target);
            WordHandler   @WordHandler = new WordHandler(model, null, null);
            List <string> ranges       = new List <string>()
            {
                "apple", "chocolate", "salt"
            };

            model.SetRange(ranges);
            Assert.True(model.AvailableWordList.SequenceEqual(new string[] { "almond", "banana", "sugar", "sweet potato" }));
            Assert.True(model.AddedWords.OrderBy(str => str).SequenceEqual(ranges));
        }