public void AsTrackable_When_CollectionProperty_Children_Trackable_AcceptChanes_Should_Accept_On_Childern()
{
var order = Helper.GetOrder();
var trackable = order.AsTrackable();
trackable.OrderDetails[0].OrderDetailId = 999;
trackable.CastToIChangeTrackable().AcceptChanges();
trackable.OrderDetails[0].CastToIChangeTrackable().GetOriginalValue(o => o.OrderDetailId).Should().Be(999);
}