public SuperModelConfigProvider getSuperModel() {
        return model;
    }
@Test
    public void test_lb_config_simple() {
        LbServicesConfig.Builder lb = new LbServicesConfig.Builder();
        handler.getSuperModel().getConfig(lb);
        LbServicesConfig lbc = new LbServicesConfig(lb);
        assertEquals(1, lbc.tenants().size());
        assertEquals(1, lbc.tenants("a").applications().size());
        Applications app = lbc.tenants("a").applications("foo:prod:default:default");
        assertNotNull(app);
    }