private void TestMethod()
		{
			WaterSalesAgreement newWaterAg = new WaterSalesAgreement();
			newWaterAg.Contract = Contract;
			newWaterAg.StartDate = DateTime.Now;
			newWaterAg.AgreementNumber = AdditionalAgreement.GetNumberWithType(Contract, AgreementType.WaterSales);
			UoW.Save(newWaterAg);
			int id = 0;
			using(var uowContract = UnitOfWorkFactory.CreateWithNewRoot<NonfreeRentAgreement>()) {
				uowContract.Root.Contract = Contract;
				uowContract.Root.StartDate = DateTime.Now;
				uowContract.Root.AgreementNumber = AdditionalAgreement.GetNumberWithType(Contract, AgreementType.NonfreeRent);
				uowContract.Save();
				id = uowContract.Root.Id;
			}
			var nonfree = UoW.GetById<NonfreeRentAgreement>(id);
		}