fix regression test
fix regression test

Summary: as title

Test Plan: push

Reviewers: igor

Reviewed By: igor

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D18999

kaschaeffer/rocksdb,JohnPJenkins/rocksdb,anagav/rocksdb,wskplho/rocksdb,IMCG/RcoksDB,anagav/rocksdb,OverlordQ/rocksdb,fengshao0907/rocksdb,luckywhu/rocksdb,NickCis/rocksdb,OverlordQ/rocksdb,alihalabyah/rocksdb,IMCG/RcoksDB,Andymic/rocksdb,kaschaeffer/rocksdb,wskplho/rocksdb,amyvmiwei/rocksdb,tsheasha/rocksdb,tsheasha/rocksdb,Applied-Duality/rocksdb,virtdb/rocksdb,biddyweb/rocksdb,NickCis/rocksdb,tsheasha/rocksdb,luckywhu/rocksdb,tschottdorf/rocksdb,ryneli/rocksdb,sorphi/rocksdb,wenduo/rocksdb,caijieming-baidu/rocksdb,OverlordQ/rocksdb,lgscofield/rocksdb,RyanTech/rocksdb,wlqGit/rocksdb,rDSN-Projects/rocksdb.replicated,wenduo/rocksdb,alihalabyah/rocksdb,msb-at-yahoo/rocksdb,JackLian/rocksdb,jalexanderqed/rocksdb,flabby/rocksdb,hobinyoon/rocksdb,amyvmiwei/rocksdb,hobinyoon/rocksdb,jalexanderqed/rocksdb,wenduo/rocksdb,mbarbon/rocksdb,lgscofield/rocksdb,makelivedotnet/rocksdb,makelivedotnet/rocksdb,hobinyoon/rocksdb,wat-ze-hex/rocksdb,zhangpng/rocksdb,ylong/rocksdb,flabby/rocksdb,jalexanderqed/rocksdb,wenduo/rocksdb,IMCG/RcoksDB,vmx/rocksdb,wlqGit/rocksdb,wenduo/rocksdb,Vaisman/rocksdb,msb-at-yahoo/rocksdb,caijieming-baidu/rocksdb,anagav/rocksdb,SunguckLee/RocksDB,bbiao/rocksdb,biddyweb/rocksdb,Andymic/rocksdb,lgscofield/rocksdb,OverlordQ/rocksdb,tschottdorf/rocksdb,dkorolev/rocksdb,bbiao/rocksdb,rDSN-Projects/rocksdb.replicated,ylong/rocksdb,JoeWoo/rocksdb,hobinyoon/rocksdb,RyanTech/rocksdb,virtdb/rocksdb,flabby/rocksdb,mbarbon/rocksdb,skunkwerks/rocksdb,geraldoandradee/rocksdb,tsheasha/rocksdb,JackLian/rocksdb,IMCG/RcoksDB,vashstorm/rocksdb,Andymic/rocksdb,mbarbon/rocksdb,tizzybec/rocksdb,facebook/rocksdb,siddhartharay007/rocksdb,siddhartharay007/rocksdb,rDSN-Projects/rocksdb.replicated,geraldoandradee/rocksdb,siddhartharay007/rocksdb,JackLian/rocksdb,wenduo/rocksdb,ryneli/rocksdb,flabby/rocksdb,JackLian/rocksdb,Vaisman/rocksdb,zhangpng/rocksdb,NickCis/rocksdb,skunkwerks/rocksdb,temicai/rocksdb,Vaisman/rocksdb,biddyweb/rocksdb,sorphi/rocksdb,ryneli/rocksdb,tsheasha/rocksdb,lgscofield/rocksdb,alihalabyah/rocksdb,temicai/rocksdb,norton/rocksdb,Vaisman/rocksdb,skunkwerks/rocksdb,fengshao0907/rocksdb,vmx/rocksdb,tschottdorf/rocksdb,Vaisman/rocksdb,temicai/rocksdb,facebook/rocksdb,JohnPJenkins/rocksdb,skunkwerks/rocksdb,zhangpng/rocksdb,temicai/rocksdb,fengshao0907/rocksdb,virtdb/rocksdb,luckywhu/rocksdb,flabby/rocksdb,bbiao/rocksdb,biddyweb/rocksdb,mbarbon/rocksdb,facebook/rocksdb,anagav/rocksdb,wenduo/rocksdb,sorphi/rocksdb,Applied-Duality/rocksdb,facebook/rocksdb,skunkwerks/rocksdb,bbiao/rocksdb,kaschaeffer/rocksdb,kaschaeffer/rocksdb,IMCG/RcoksDB,dkorolev/rocksdb,tschottdorf/rocksdb,vashstorm/rocksdb,JoeWoo/rocksdb,vmx/rocksdb,vmx/rocksdb,anagav/rocksdb,JackLian/rocksdb,mbarbon/rocksdb,JohnPJenkins/rocksdb,wlqGit/rocksdb,JohnPJenkins/rocksdb,norton/rocksdb,alihalabyah/rocksdb,msb-at-yahoo/rocksdb,norton/rocksdb,luckywhu/rocksdb,amyvmiwei/rocksdb,ylong/rocksdb,ylong/rocksdb,temicai/rocksdb,fengshao0907/rocksdb,NickCis/rocksdb,wskplho/rocksdb,skunkwerks/rocksdb,JohnPJenkins/rocksdb,wat-ze-hex/rocksdb,vashstorm/rocksdb,siddhartharay007/rocksdb,JoeWoo/rocksdb,wat-ze-hex/rocksdb,NickCis/rocksdb,Vaisman/rocksdb,jalexanderqed/rocksdb,bbiao/rocksdb,dkorolev/rocksdb,mbarbon/rocksdb,wat-ze-hex/rocksdb,zhangpng/rocksdb,JoeWoo/rocksdb,JackLian/rocksdb,biddyweb/rocksdb,vmx/rocksdb,siddhartharay007/rocksdb,wat-ze-hex/rocksdb,virtdb/rocksdb,rDSN-Projects/rocksdb.replicated,siddhartharay007/rocksdb,Applied-Duality/rocksdb,SunguckLee/RocksDB,siddhartharay007/rocksdb,ylong/rocksdb,dkorolev/rocksdb,amyvmiwei/rocksdb,virtdb/rocksdb,dkorolev/rocksdb,flabby/rocksdb,anagav/rocksdb,SunguckLee/RocksDB,rDSN-Projects/rocksdb.replicated,ryneli/rocksdb,NickCis/rocksdb,sorphi/rocksdb,makelivedotnet/rocksdb,msb-at-yahoo/rocksdb,ryneli/rocksdb,lgscofield/rocksdb,fengshao0907/rocksdb,Andymic/rocksdb,JohnPJenkins/rocksdb,zhangpng/rocksdb,hobinyoon/rocksdb,jalexanderqed/rocksdb,dkorolev/rocksdb,tsheasha/rocksdb,Applied-Duality/rocksdb,Applied-Duality/rocksdb,caijieming-baidu/rocksdb,tizzybec/rocksdb,wskplho/rocksdb,biddyweb/rocksdb,vashstorm/rocksdb,sorphi/rocksdb,lgscofield/rocksdb,tizzybec/rocksdb,JoeWoo/rocksdb,wat-ze-hex/rocksdb,virtdb/rocksdb,amyvmiwei/rocksdb,makelivedotnet/rocksdb,dkorolev/rocksdb,zhangpng/rocksdb,geraldoandradee/rocksdb,luckywhu/rocksdb,ylong/rocksdb,facebook/rocksdb,vashstorm/rocksdb,JackLian/rocksdb,NickCis/rocksdb,tsheasha/rocksdb,caijieming-baidu/rocksdb,flabby/rocksdb,norton/rocksdb,sorphi/rocksdb,geraldoandradee/rocksdb,kaschaeffer/rocksdb,hobinyoon/rocksdb,RyanTech/rocksdb,Applied-Duality/rocksdb,fengshao0907/rocksdb,IMCG/RcoksDB,luckywhu/rocksdb,tschottdorf/rocksdb,RyanTech/rocksdb,wskplho/rocksdb,bbiao/rocksdb,rDSN-Projects/rocksdb.replicated,sorphi/rocksdb,tschottdorf/rocksdb,norton/rocksdb,msb-at-yahoo/rocksdb,facebook/rocksdb,bbiao/rocksdb,OverlordQ/rocksdb,lgscofield/rocksdb,ryneli/rocksdb,amyvmiwei/rocksdb,norton/rocksdb,kaschaeffer/rocksdb,wlqGit/rocksdb,caijieming-baidu/rocksdb,biddyweb/rocksdb,caijieming-baidu/rocksdb,luckywhu/rocksdb,JohnPJenkins/rocksdb,SunguckLee/RocksDB,norton/rocksdb,bbiao/rocksdb,wskplho/rocksdb,skunkwerks/rocksdb,wlqGit/rocksdb,facebook/rocksdb,geraldoandradee/rocksdb,facebook/rocksdb,caijieming-baidu/rocksdb,SunguckLee/RocksDB,fengshao0907/rocksdb,RyanTech/rocksdb,anagav/rocksdb,temicai/rocksdb,mbarbon/rocksdb,JoeWoo/rocksdb,geraldoandradee/rocksdb,vashstorm/rocksdb,alihalabyah/rocksdb,OverlordQ/rocksdb,makelivedotnet/rocksdb,tizzybec/rocksdb,makelivedotnet/rocksdb,temicai/rocksdb,hobinyoon/rocksdb,SunguckLee/RocksDB,Andymic/rocksdb,alihalabyah/rocksdb,ylong/rocksdb,wat-ze-hex/rocksdb,ryneli/rocksdb,msb-at-yahoo/rocksdb,vashstorm/rocksdb,Andymic/rocksdb,jalexanderqed/rocksdb,wlqGit/rocksdb,RyanTech/rocksdb,zhangpng/rocksdb,vmx/rocksdb,OverlordQ/rocksdb,hobinyoon/rocksdb,kaschaeffer/rocksdb,geraldoandradee/rocksdb,SunguckLee/RocksDB,norton/rocksdb,Andymic/rocksdb,makelivedotnet/rocksdb,amyvmiwei/rocksdb,virtdb/rocksdb,alihalabyah/rocksdb,tsheasha/rocksdb,RyanTech/rocksdb,Applied-Duality/rocksdb,tizzybec/rocksdb,IMCG/RcoksDB,wenduo/rocksdb,vmx/rocksdb,jalexanderqed/rocksdb,JoeWoo/rocksdb,Andymic/rocksdb,wskplho/rocksdb,rDSN-Projects/rocksdb.replicated,tizzybec/rocksdb,wlqGit/rocksdb,wat-ze-hex/rocksdb,SunguckLee/RocksDB,vmx/rocksdb,Vaisman/rocksdb,tizzybec/rocksdb