public async Task GetSchemaItemsForTF2Async_Should_Succeed()
        {
            var response = await steamInterface.GetSchemaItemsForTF2Async();

            Assert.NotNull(response);
            Assert.NotNull(response.Data);
        }
        public async Task GetSchemaItemsForTF2Async_Should_Succeed()
        {
            uint?next = null;

            do
            {
                var response = await steamInterface.GetSchemaItemsForTF2Async(start : next);

                Assert.NotNull(response);
                Assert.NotNull(response.Data);

                next = response.Data.Result.Next;
            }while (next.HasValue);
        }