public void Test_If_List_Is_Holding_Wods_Not_Existing_In_DB() { var context = new UniAppKidsDbContext(); var aWordRepository = new WordRepository(context); List <Word> listOfWords; FakeEntityModels.FakeWordModel.GetListOfWordsToVerify(out listOfWords); List <Word> wordsToupdate; var nonRepeatedList = aWordRepository.GetListOfNotExistingWords(listOfWords, out wordsToupdate); foreach (var aNonRepeatedWord in nonRepeatedList) { Assert.AreNotSame("casa", aNonRepeatedWord); } }