public void SetWord_InputStringWord_String()
        {
            string       oldWordInput    = "coffee";
            WordSentence newWordSentence = new WordSentence(oldWordInput, "test");

            string newWord = "car";

            newWordSentence.SetWord(newWord);
            string result = newWordSentence.GetWord();

            Assert.AreEqual(newWord, result);
        }