### Question:
DelayedInstanceNotifierFactory { public DelayedInstanceNotifier create( Object instance, LifecycleEvent event_type ) { return new DelayedInstanceNotifier( osgiPluginTracker, event_type, instance, instanceListeners, scheduler ); } DelayedInstanceNotifierFactory( Map<Object, List<ServiceReferenceListener>> instanceListeners,
                                         ScheduledExecutorService scheduler, OSGIPluginTracker osgiPluginTracker ); DelayedInstanceNotifier create( Object instance, LifecycleEvent event_type );  }### Answer:
@Test public void testCreate() { assertNotNull( new DelayedInstanceNotifierFactory( null, null, null ).create( null, null ) ); }