Added top comment to count_cluster_nodes_with_flag in test.
Added top comment to count_cluster_nodes_with_flag in test.

lamby/disque,tempbottle/disque,tempbottle/disque,antirez/disque,jmptrader/disque,lamby/disque,GrimDerp/disque,lamby/pkg-disque,themage/disque,seppo0010/disque,sunheehnus/disque,CodyReichert/disque,gideonairex/disque,c2j/disque,felixbuenemann/disque,felixbuenemann/disque,jmptrader/disque,douxiaozhao/disque,themage/disque,Koed00/disque,gideonairex/disque,antirez/disque,hanicker/disque,mopuri-sandeep/disque,jmptrader/disque,lamby/pkg-disque,chen-tian/disque,Koed00/disque,seppo0010/disque,douxiaozhao/disque,sunheehnus/disque,themage/disque,ErikDubbelboer/disque,mopuri-sandeep/disque,ErikDubbelboer/disque,GrimDerp/disque,c2j/disque,hanicker/disque,chen-tian/disque,CodyReichert/disque