public void SetUp() { _instance = Builder <PlanReceiptOrder> .CreateNew() .WithConstructor(() => new PlanReceiptOrder(100)) .With(x => x.PlanCertificates, Builder <PlanCertificate> .CreateListOfSize(1).Build()) .Build(); _instance.PlanCertificates[0].PlanReceiptOrder = _instance; _copyContext = new CopyContext <PlanReceiptOrder>(); _copyContext.SetSourceValue(_instance); }