public void Test_getAllExpiredPosts() { List <String> listPosts = new List <String> { "24" }; var result = DbLayer.GetAllExpiredPosts("14342423"); List <String> postNames = new List <String>(); foreach (var item in result) { postNames.Add(item.postNumber.ToString()); } CollectionAssert.AreEqual(listPosts, postNames); }