Fix PartitionJob test by specifying the order of the output fields.
Fix PartitionJob test by specifying the order of the output fields.

jzmq/scalding,tdyas/scalding,tresata/scalding,f7753/scalding,nkhuyu/scalding,wanyifu/scaldingtest,sriramkrishnan/scalding,MansurAshraf/scalding,JiJiTang/scalding,oeddyo/scalding,bendridi/scalding,bmyerz/scalding,avp1984/scalding,aposwolsky/scalding,piyushnarang/scalding,avp1984/scalding,Chasego/scalding,sid-kap/scalding,rubanm/scalding,sunilrebel/scalding,nvoron23/scalding,tglstory/scalding,soundcloud/scalding,avp1984/scalding,nkhuyu/scalding,JiJiTang/scalding,wanyifu/scaldingtest,aposwolsky/scalding,rubanm/scalding,zirpins/scalding,chrismoulton/scalding,jzmq/scalding,nvoron23/scalding,benpence/scalding,Chasego/scalding,rubanm/scalding,tglstory/scalding,bmyerz/scalding,soundcloud/scalding,tresata/scalding,f7753/scalding,cauchycui/scalding,benpence/scalding,oeddyo/scalding,sriramkrishnan/scalding,tdyas/scalding,chrismoulton/scalding,bendridi/scalding,tdyas/scalding,MansurAshraf/scalding,AaroC357/scalding,nkhuyu/scalding,lucamilanesio/scalding,cchepelov/scalding,soundcloud/scalding,vidyar/twitterscalding,cchepelov/scalding,sid-kap/scalding,wanyifu/scaldingtest,danosipov/scalding,zirpins/scalding,piyushnarang/scalding,cauchycui/scalding,twitter/scalding,tglstory/scalding,sunilrebel/scalding,aposwolsky/scalding,stripe/scalding,twitter/scalding,MansurAshraf/scalding,jzmq/scalding,cchepelov/scalding,Chasego/scalding,bendridi/scalding,lucamilanesio/scalding,piyushnarang/scalding,stripe/scalding,sunilrebel/scalding,vidyar/twitterscalding,danosipov/scalding,sriramkrishnan/scalding,twitter/scalding,danosipov/scalding,epishkin/scalding,nvoron23/scalding,benpence/scalding,lucamilanesio/scalding,AaroC357/scalding,bmyerz/scalding,epishkin/scalding,JiJiTang/scalding,sid-kap/scalding,tresata/scalding,AaroC357/scalding,cauchycui/scalding,chrismoulton/scalding,zirpins/scalding,oeddyo/scalding,f7753/scalding