public void When_Deleting_From_Collection_Item_That_Status_Is_Added_Should_Not_Be_Added_To_DeletedItems()
{
var orders = Helper.GetOrdersIList();
var trackable = orders.AsTrackable();
var first = trackable.First();
trackable.Remove(first);
var order = Helper.GetOrder();
order.Id = 999;
trackable.Add(order);
trackable.Remove(trackable.Single(o => o.Id == 999));
trackable.CastToIChangeTrackableCollection().DeletedItems.Should().HaveCount(1)
.And.OnlyContain(o => o.Id == first.Id && o.CustomerNumber == first.CustomerNumber);
}