.extension(TestObserver.class).create();
ManagerTestContext context = manager.getContext(ManagerTestContext.class);
try
{
context.activate();
InstanceProducer<Object> instance = InstanceImpl.of(Object.class, ManagerTestScoped.class, manager);
instance.set(new Object());
Assert.assertTrue(manager.getExtension(TestObserver.class).wasCalled);