public static HazelcastInstance newHazelcastInstance(Config config) {
        if (config == null) {
            config = Config.load();
        }

        return newHazelcastInstance(
                config,
                config.getInstanceName(),
                new DefaultNodeContext()
        );
    }
@Test
    public void fixedNameGeneratedIfPropertyDisabled() {
        Config config = new Config();
        config.getProperties().put(ClusterProperty.MOBY_NAMING_ENABLED.getName(), "false");

        hazelcastInstance = HazelcastInstanceFactory.newHazelcastInstance(config);
        String name = hazelcastInstance.getName();
        assertNotNull(name);
        assertContains(name, "_hzInstance_");
    }