Add test for save/load state snapshot in swarm (#323)
Add test for save/load state snapshot in swarm (#323)

Signed-off-by: Yuji Oshima <28046d1ea77bb02ca920f5de46caf418b9da190b@gmail.com>
YujiOshima/infrakit,FrenchBen/infrakit,kaufers/infrakit,linsun/infrakit,dgageot/infrakit,thebsdbox/infrakit,YujiOshima/infrakit,thebsdbox/infrakit,chungers/infrakit,FrenchBen/infrakit,kaufers/infrakit,kaufers/infrakit,chungers/infrakit,linsun/infrakit,dgageot/infrakit,docker/infrakit,JacobFrericks/infrakit,craigyam/infrakit,FrenchBen/infrakit,thebsdbox/infrakit,craigyam/infrakit,chungers/infrakit,docker/infrakit,docker/infrakit,JacobFrericks/infrakit,craigyam/infrakit