打印电子面单能先测试吗？大家都是下真实的订单，打印的吗？那是不是会把快递呼叫上门了
https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/express/express-by-business/testUpdateOrder.htmlhttps://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/express/express-by-business/updatePrinter.html
https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/business/express_sanbox.html
下单支持沙盒测试，面单打印暂不支持打印测试订单