update error msg for the test of package.json format
update error msg for the test of package.json format

gaearon/cdnjs,pcarrier/cdnjs,mgoldsborough/cdnjs,algolia/cdnjs,peteygao/cdnjs,GaryChamberlain/cdnjs,schoren/cdnjs,xymostech/cdnjs,viskin/cdnjs,calvinf/cdnjs,iros/cdnjs,dhenson02/cdnjs,DaAwesomeP/cdnjs,viskin/cdnjs,viskin/cdnjs,xymostech/cdnjs,khasinski/cdnjs,Sneezry/cdnjs,peteygao/cdnjs,GaryChamberlain/cdnjs,gokuale/cdnjs,gokuale/cdnjs,ljharb/cdnjs,khasinski/cdnjs,raszi/cdnjs,vfonic/cdnjs,Sneezry/cdnjs,dominic/cdnjs,sujonvidia/cdnjs,AlexisArce/cdnjs,freak3dot/cdnjs,ljharb/cdnjs,xymostech/cdnjs,zhangbg/cdnjs,tresni/cdnjs,jackdoyle/cdnjs,AlexisArce/cdnjs,algolia/cdnjs,dominic/cdnjs,zhangbg/cdnjs,paleozogt/cdnjs,mgoldsborough/cdnjs,dhenson02/cdnjs,raszi/cdnjs,peteygao/cdnjs,calvinf/cdnjs,tmorin/cdnjs,dhowe/cdnjs,aashish24/cdnjs,dhenson02/cdnjs,sujonvidia/cdnjs,paleozogt/cdnjs,vfonic/cdnjs,xymostech/cdnjs,viskin/cdnjs,tresni/cdnjs,jackdoyle/cdnjs,emmansun/cdnjs,dhowe/cdnjs,iros/cdnjs,freak3dot/cdnjs,dhenson02/cdnjs,tmorin/cdnjs,emmansun/cdnjs,jessepollak/cdnjs,viskin/cdnjs,nareshs435/cdnjs,pcarrier/cdnjs,DaAwesomeP/cdnjs,schoren/cdnjs,ematsusaka/cdnjs,xymostech/cdnjs,nareshs435/cdnjs,aashish24/cdnjs,gaearon/cdnjs,jessepollak/cdnjs,ematsusaka/cdnjs