在Protractor引用配置中，有untrackOutstandingTimeoutssetting提到://Protractorwilltrackoutstanding$timeoutsbydefault,andreportthemin//theerrormessageifProtractorfailstosynchronizewithAngularintime.//InordertodothisProtractorneedstodecorate$timeout.//CAUTION:Ifyourappdecorates$timeout,youmustturnonthisflag.T