public void TestAddRestaurant() { var restaurants = new ObservableCollection <RestModel>(); var r = new RestModel(); r.ID = 12345; r.RestAddress = "test"; r.RestDescription = "test"; r.RestFood = "test"; r.RestName = "test"; r.RestPhone = 544654; r.RestPicture1 = "test"; r.RestPicture2 = "test"; restaurants.Add(r); Assert.IsNotNull(restaurants); }