add TwoPrediate function to hybrid_index_test.cpp
add TwoPrediate function to hybrid_index_test.cpp

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