public void SetSentence_InputStringSentence_String() { string oldSentenceInput = "I like coffee."; WordSentence newWordSentence = new WordSentence("test", oldSentenceInput); string newSentence = "My car is a fast car."; newWordSentence.SetSentence(newSentence); string result = newWordSentence.GetSentence(); Assert.AreEqual(newSentence, result); }