public async Task UpdateLagTime()
        {
            System.IO.Stream    stream = GetRequestStub("V2.requestStub.updateLagTime");
            FeedAcknowledgement result = await lagtimeApi.UpdateLagTime(stream);

            Assert.IsType <FeedAcknowledgement>(result);
        }
        public async Task UpdateLagTime()
        {
            var items = await itemApi.GetAllItems(1, 10);

            var sku = items.Items[0].Sku;

            using (var stream = GetRequestBody(sku, "0"))
            {
                var result = await lagtimeApi.UpdateLagTime(stream);

                Assert.IsType <FeedAcknowledgement>(result);
            }
        }