@BeforeClass
public static void init() {
Config config = new Config();
config.getSerializationConfig().addPortableFactory(PortableHelpersFactory.ID, new PortableHelpersFactory());
server1 = Hazelcast.newHazelcastInstance(config);
server2 = Hazelcast.newHazelcastInstance(config);
ClientConfig clientConfig = new ClientConfig();
clientConfig.getSerializationConfig().addPortableFactory(PortableHelpersFactory.ID, new PortableHelpersFactory());
client = HazelcastClient.newHazelcastClient(clientConfig);
interceptor = new SimpleClientInterceptor();
}