@Test
public void testChangeMemberVotingStatesForShard() throws Exception {

    String name = "testChangeMemberVotingStatusForShard";
    String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
    final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
            .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
                    DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
            .build();
    final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
            .moduleShardsConfig(moduleShardsConfig).build();
    final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
            .moduleShardsConfig(moduleShardsConfig).build();
    leaderNode1.configDataStore().waitTillReady();
    replicaNode3.configDataStore().waitTillReady();
    verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
    verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
    verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
    // Invoke RPC service on member-3 to change voting status
    ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
            replicaNode3.operDataStore(), null);
    RpcResult<ChangeMemberVotingStatesForShardOutput> rpcResult = service3
            .changeMemberVotingStatesForShard(new ChangeMemberVotingStatesForShardInputBuilder()
                    .setShardName("cars").setDataStoreType(DataStoreType.Config)
                    .setMemberVotingState(ImmutableList.of(
                            new MemberVotingStateBuilder().setMemberName("member-2").setVoting(FALSE).build(),
                            new MemberVotingStateBuilder().setMemberName("member-3").setVoting(FALSE).build()))
                    .build())
            .get(10, TimeUnit.SECONDS);
    verifySuccessfulRpcResult(rpcResult);
    verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
            new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
    verifyVotingStates(replicaNode2.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
            new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
    verifyVotingStates(replicaNode3.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
            new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
}