public void SelectGroupBuyingProductsById()
{
var result = _client.SelectGroupBuyingProductsById("PT36899178");
result.ThrowIfException();
Assert.IsNull(result.Exception);
Assert.IsNotNull(result.Result);
var result2 = _client.SelectProductInfoByPid("PT19408240", result.Result[0]);
result2.ThrowIfException();
Assert.IsNull(result2.Exception);
Assert.IsNotNull(result2.Result);
}