Add tests for first-(r)index to spectest
Add tests for first-(r)index to spectest

teodozjan/rakudo,ungrim97/rakudo,teodozjan/rakudo,labster/rakudo,cognominal/rakudo,cygx/rakudo,MasterDuke17/rakudo,sergot/rakudo,paultcochrane/rakudo,dwarring/rakudo,rakudo/rakudo,usev6/rakudo,tony-o/deb-rakudodaily,sergot/rakudo,usev6/rakudo,awwaiid/rakudo,raydiak/rakudo,softmoth/rakudo,samcv/rakudo,nbrown/rakudo,b2gills/rakudo,ungrim97/rakudo,rakudo/rakudo,ab5tract/rakudo,LLFourn/rakudo,nbrown/rakudo,tony-o/deb-rakudodaily,sergot/rakudo,labster/rakudo,nunorc/rakudo,usev6/rakudo,retupmoca/rakudo,dankogai/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,paultcochrane/rakudo,labster/rakudo,dwarring/rakudo,tony-o/rakudo,tony-o/rakudo,tony-o/deb-rakudodaily,tony-o/rakudo,samcv/rakudo,niner/rakudo,ugexe/rakudo,dankogai/rakudo,Leont/rakudo,rakudo/rakudo,rakudo/rakudo,awwaiid/rakudo,labster/rakudo,tbrowder/rakudo,softmoth/rakudo,retupmoca/rakudo,skids/rakudo,cognominal/rakudo,zostay/rakudo,jonathanstowe/rakudo,LLFourn/rakudo,azawawi/rakudo,cognominal/rakudo,MasterDuke17/rakudo,raydiak/rakudo,sjn/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily,sjn/rakudo,tony-o/deb-rakudodaily,ab5tract/rakudo,salortiz/rakudo,teodozjan/rakudo,salortiz/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,rakudo/rakudo,ugexe/rakudo,retupmoca/rakudo,tony-o/rakudo,tony-o/deb-rakudodaily,skids/rakudo,lucasbuchala/rakudo,dwarring/rakudo,azawawi/rakudo,paultcochrane/rakudo,b2gills/rakudo,lucasbuchala/rakudo,azawawi/rakudo,tony-o/rakudo,nunorc/rakudo,salortiz/rakudo,retupmoca/rakudo,paultcochrane/rakudo,Gnouc/rakudo,zostay/rakudo,nbrown/rakudo,ugexe/rakudo,cognominal/rakudo,awwaiid/rakudo,tbrowder/rakudo,Gnouc/rakudo,paultcochrane/rakudo,usev6/rakudo,salortiz/rakudo,LLFourn/rakudo,MasterDuke17/rakudo,samcv/rakudo,zostay/rakudo,azawawi/rakudo,samcv/rakudo,tony-o/rakudo,sjn/rakudo,usev6/rakudo,dankogai/rakudo,zhuomingliang/rakudo,b2gills/rakudo,rakudo/rakudo,skids/rakudo,ungrim97/rakudo,cygx/rakudo,sjn/rakudo,skids/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,laben/rakudo,b2gills/rakudo,raydiak/rakudo,dwarring/rakudo,nbrown/rakudo,b2gills/rakudo,Leont/rakudo,samcv/rakudo,lucasbuchala/rakudo,salortiz/rakudo,ungrim97/rakudo,ab5tract/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,ungrim97/rakudo,zhuomingliang/rakudo,skids/rakudo,cygx/rakudo,awwaiid/rakudo,softmoth/rakudo,cognominal/rakudo,jonathanstowe/rakudo,ugexe/rakudo,salortiz/rakudo,nunorc/rakudo,sjn/rakudo,labster/rakudo,jonathanstowe/rakudo,softmoth/rakudo,laben/rakudo,nbrown/rakudo,cygx/rakudo,Leont/rakudo,tbrowder/rakudo,labster/rakudo,teodozjan/rakudo,tbrowder/rakudo,laben/rakudo,softmoth/rakudo,dankogai/rakudo,Gnouc/rakudo,azawawi/rakudo,MasterDuke17/rakudo,LLFourn/rakudo,dankogai/rakudo,LLFourn/rakudo,Gnouc/rakudo,Leont/rakudo,raydiak/rakudo,sergot/rakudo,ugexe/rakudo,zhuomingliang/rakudo,awwaiid/rakudo,niner/rakudo,jonathanstowe/rakudo,nunorc/rakudo,laben/rakudo,niner/rakudo,tony-o/deb-rakudodaily,zhuomingliang/rakudo,cygx/rakudo,ab5tract/rakudo,zostay/rakudo,niner/rakudo,nbrown/rakudo