LeaderStateChanged leaderStateChanged = expectMsgClass(LeaderStateChanged.class);
assertEquals("getMemberId", "member1", leaderStateChanged.getMemberId());
assertEquals("getLeaderId", "leader1", leaderStateChanged.getLeaderId());
LeaderStateChanged leaderStateChanged = expectMsgClass(LeaderStateChanged.class);
assertEquals("getMemberId", "member1", leaderStateChanged.getMemberId());
assertEquals("getLeaderId", "leader1", leaderStateChanged.getLeaderId());