@Test(timeout = 120000)
  public void testSlowStore() throws Exception {
    final TestMapStore store = new WaitingOnFirstTestMapStore();
    Config config = getConfig();
    MapStoreConfig mapStoreConfig = new MapStoreConfig();
    mapStoreConfig.setEnabled(true);
    mapStoreConfig.setWriteDelaySeconds(1);
    mapStoreConfig.setImplementation(store);
    config.getMapConfig("default").setMapStoreConfig(mapStoreConfig);
    HazelcastInstance h1 = createHazelcastInstance(config);
    final IMap<Integer, Integer> map = h1.getMap("testSlowStore");
    int count = 1000;
    for (int i = 0; i < count; i++) {
      map.put(i, 1);
    }
    Thread.sleep(2000); // sleep for scheduling following puts to a different second
    for (int i = 0; i < count; i++) {
      map.put(i, 2);
    }
    for (int i = 0; i < count; i++) {
      final int index = i;
      assertTrueEventually(
          new AssertTask() {
            @Override
            public void run() throws Exception {
              final Integer valueInMap = map.get(index);
              final Integer valueInStore = (Integer) store.getStore().get(index);

              assertEquals(valueInMap, valueInStore);
            }
          });
    }
  }
  public Config getConfig() {

    final Config cfg = new Config();
    cfg.setInstanceName(instanceName);

    final Properties props = new Properties();
    props.put("hazelcast.rest.enabled", false);
    props.put("hazelcast.logging.type", "slf4j");
    props.put("hazelcast.connect.all.wait.seconds", 45);
    props.put("hazelcast.operation.call.timeout.millis", 30000);

    // group configuration
    cfg.setGroupConfig(new GroupConfig(Constants.HC_GROUP_NAME, Constants.HC_GROUP_PASSWORD));
    // network configuration initialization
    final NetworkConfig netCfg = new NetworkConfig();
    netCfg.setPortAutoIncrement(true);
    netCfg.setPort(Constants.HC_PORT);
    // multicast
    final MulticastConfig mcCfg = new MulticastConfig();
    mcCfg.setEnabled(false);
    // tcp
    final TcpIpConfig tcpCfg = new TcpIpConfig();
    tcpCfg.addMember("127.0.0.1");
    tcpCfg.setEnabled(true);
    // network join configuration
    final JoinConfig joinCfg = new JoinConfig();
    joinCfg.setMulticastConfig(mcCfg);
    joinCfg.setTcpIpConfig(tcpCfg);
    netCfg.setJoin(joinCfg);
    // ssl
    netCfg.setSSLConfig(new SSLConfig().setEnabled(false));

    // Adding mapstore
    final MapConfig mapCfg = cfg.getMapConfig(storeType);

    final MapStoreConfig mapStoreCfg = new MapStoreConfig();
    mapStoreCfg.setImplementation(store);
    mapStoreCfg.setWriteDelaySeconds(1);
    // to load all map at same time
    mapStoreCfg.setInitialLoadMode(MapStoreConfig.InitialLoadMode.EAGER);
    mapCfg.setMapStoreConfig(mapStoreCfg);
    cfg.addMapConfig(mapCfg);
    return cfg;
  }
  @Bean
  public Config config() {
    MapConfig map =
        new MapConfig()
            .setName("test-map")
            .setEvictionPolicy(EvictionPolicy.LRU)
            .setTimeToLiveSeconds(2400);

    MapStoreConfig ms = new MapStoreConfig();
    ms.setClassName("com.ikentoo.test.hazelcast.LoggingMapStore");
    ms.setEnabled(true);
    ms.setWriteDelaySeconds(30);
    ms.setWriteCoalescing(true);

    map.setMapStoreConfig(ms);

    Config c = new Config().addMapConfig(map).setProperty("hazelcast.logging.type", "slf4j");
    return c;
  }