“ce0d67040dfb12e455b6519ee081a3a08e838842”上不存在“...v2/reader/git@gitcode.net:BaiXuePrincess/Paddle.git”
* a draft of trainer.test() * polish trainer.test() * polish trainer.test() * update code format * update * polish code * polish code * polish code * Make trainer.test follow the rule of returning [loss, metric, metric, ..]