public void Change_Property_Should_Raise_PropertyChanged_On_ChangeTrackingStatus_Event()
{
var order = Helper.GetOrder();
var trackable = order.AsTrackable();
trackable.MonitorEvents();
trackable.CustomerNumber = "Test1";
IChangeTrackable<Order> changeTrackable = trackable.CastToIChangeTrackable();
changeTrackable.ShouldRaisePropertyChangeFor(ct => ct.ChangeTrackingStatus);
}