ServiceA.class, Service.class);
conf.setClass(String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, "Bsrv"),
ServiceB.class, Service.class);
final AuxServices aux = new AuxServices();
aux.init(conf);
aux.start();
Service s = aux.getServices().iterator().next();
s.stop();
assertEquals("Auxiliary service stopped, but AuxService unaffected.",
STOPPED, aux.getServiceState());