public void SetUp()
 {
     _collector = Substitute.For<IItemCollector>();
     _scheduler = Substitute.For<IScheduler>();
     _loginModel = Substitute.For<ILoginModel>();
     _uut = new ScheduledShoppingListModel(_collector, _scheduler, _loginModel);
 }
 public void Constructor_SchedulerNull_ArgumentNullException()
 {
     Assert.Throws<ArgumentNullException>(() => _uut = new ScheduledShoppingListModel(_collector, null, _loginModel));
 }