Test suite: updated tests for ZUNION and ZINTER with the new options style.
Test suite: updated tests for ZUNION and ZINTER with the new options style.

dominics/predis,dzung2t/predis,moria/predis,lvbaosong/predis,RudyJessop/predis,protomouse/predis,gencer/predis,channelgrabber/predis,stokes3452/predis,CloudSide/predis,zhangyancoder/predis,mrkeng/predis,oswaldderiemaecker/predis,RedisLabs/predis,SwelenFrance/predis,quangnguyen90/predis,nrk/predis,johnhelmuth/predis,gopalindians/predis,vend/predis,nguyenthaihan/predis,SecureCloud-biz/predis,WalterShe/predis