Small fix on inserts_test.
Small fix on inserts_test.

cmu-db/peloton,vittvolt/15721-peloton,wangziqi2016/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,haojin2/peloton,vittvolt/15721-peloton,PauloAmora/peloton,eric-haibin-lin/peloton-1,apavlo/peloton,wangziqi2016/peloton,yingjunwu/peloton,vittvolt/15721-peloton,AllisonWang/peloton,AngLi-Leon/peloton,malin1993ml/peloton,jessesleeping/iso_peloton,phisiart/peloton-p3,phisiart/peloton-p3,PauloAmora/peloton,jessesleeping/iso_peloton,phisiart/peloton-p3,ShuxinLin/peloton,vittvolt/15721-peloton,seojungmin/peloton,PauloAmora/peloton,jessesleeping/iso_peloton,malin1993ml/peloton,phisiart/peloton-p3,malin1993ml/peloton,phisiart/peloton-p3,AngLi-Leon/peloton,haojin2/peloton,ShuxinLin/peloton,yingjunwu/peloton,AllisonWang/peloton,apavlo/peloton,yingjunwu/peloton,vittvolt/15721-peloton,apavlo/peloton,malin1993ml/peloton,vittvolt/peloton,AllisonWang/peloton,haojin2/peloton,cmu-db/peloton,seojungmin/peloton,AngLi-Leon/peloton,seojungmin/peloton,AllisonWang/peloton,apavlo/peloton,malin1993ml/peloton,phisiart/peloton-p3,wangziqi2016/peloton,eric-haibin-lin/peloton-1,prashasthip/peloton,yingjunwu/peloton,AngLi-Leon/peloton,eric-haibin-lin/peloton-1,haojin2/peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,prashasthip/peloton,vittvolt/peloton,cmu-db/peloton,prashasthip/peloton,apavlo/peloton,ShuxinLin/peloton,PauloAmora/peloton,haojin2/peloton,AngLi-Leon/peloton,apavlo/peloton,haojin2/peloton,AngLi-Leon/peloton,cmu-db/peloton,PauloAmora/peloton,PauloAmora/peloton,ShuxinLin/peloton,yingjunwu/peloton,prashasthip/peloton,eric-haibin-lin/peloton-1,seojungmin/peloton,cmu-db/peloton,prashasthip/peloton,ShuxinLin/peloton,cmu-db/peloton,vittvolt/peloton,jessesleeping/iso_peloton,seojungmin/peloton,wangziqi2016/peloton,AllisonWang/peloton,vittvolt/peloton,vittvolt/15721-peloton,eric-haibin-lin/peloton-1,jessesleeping/iso_peloton,prashasthip/peloton,malin1993ml/peloton,seojungmin/peloton,wangziqi2016/peloton,AllisonWang/peloton,jessesleeping/iso_peloton,vittvolt/peloton,vittvolt/peloton,ShuxinLin/peloton