raft: fix test with memberlist compare, leave out the connection status
raft: fix test with memberlist compare, leave out the connection status

Signed-off-by: Alexandre Beslic <7f00c88b7660208d6ae438e5aa377b1c70b9009e@gmail.com>

jlhawn/swarmkit,diogomonica/swarmkit,aaronlehmann/swarmkit,dperny/swarmkit-1,aaronlehmann/swarmkit,Noyan759/swarmkit,deljuven/swarmkit,Noyan759/swarmkit,AliyunContainerService/swarmkit,allencloud/swarmkit,RenaudWasTaken/swarmkit,dperny/swarmkit-1,elifa/swarmkit,diogomonica/swarmkit,yp-engineering/swarmkit,yp-engineering/swarmkit,sungwonh/swarmkit,deljuven/swarmkit,docker/swarmkit,vasil-yordanov/swarmkit,cezarsa/swarmkit,runshenzhu/swarmkit,cezarsa/swarmkit,jlhawn/swarmkit,allencloud/swarmkit,AliyunContainerService/swarmkit,RenaudWasTaken/swarmkit,runshenzhu/swarmkit,fate-grand-order/swarmkit,cheyang/swarmkit,elifa/swarmkit,sungwonh/swarmkit,yongtang/swarmkit,fate-grand-order/swarmkit,cheyang/swarmkit,docker/swarmkit,alyyousuf7/swarmkit,alyyousuf7/swarmkit,yongtang/swarmkit,vasil-yordanov/swarmkit