protected static Registry registry = null;

    protected static InMemoryEmbeddedRegistryService embeddedRegistryService = null;

   public void setUp() {
        super.setUp();
        if (embeddedRegistryService != null) {
            return;
        }
        try {
            embeddedRegistryService = new InMemoryEmbeddedRegistryService();
            RealmUnawareRegistryCoreServiceComponent comp = new RealmUnawareRegistryCoreServiceComponent();
            comp.setRealmService(embeddedRegistryService.getRealmService());
            comp.registerBuiltInHandlers(embeddedRegistryService);

            // get the realm config to retrieve admin username, password
            RealmConfiguration realmConfig = embeddedRegistryService.getBootstrapRealmConfiguration();
            registry = embeddedRegistryService.getUserRegistry(
                realmConfig.getAdminUserName(), realmConfig.getAdminPassword());
        } catch (RegistryException e) {
                fail("Failed to initialize the registry. Caused by: " + e.getMessage());
        }
    }