public void DeleteSale()
        {
            CrudProxy proxy = new InvoiceProxy();

            InvoiceDto dto1 = this.GetServiceSale();
            proxy.Insert(dto1);

            proxy.DeleteByUid(dto1.Uid);

            try
            {
                proxy.GetByUid(dto1.Uid);
            }
            catch (RestException ex)
            {
                Assert.AreEqual("RecordNotFoundException", ex.Type);
            }
        }