add nodeinfo test
add nodeinfo test

Signed-off-by: allencloud <36603fc76d0c5a59db517817381acc1be27b9499@daocloud.io>

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