Identifiable car1 = (Identifiable)client.getFlashHistory(1).iterator().next().get();
assertEquals(car1.getIdentityHashCode(), id1);
assertEquals(Identifiable.DESTROYED, car1.getStatus());
//
client.invoke(Registry.<String>unset("action"));
long id2 = Registry.<Long>unset("car");
status = Registry.<Integer>unset("status");
assertEquals(Identifiable.MANAGED, status);
assertNotSame(id1, id2);
assertEquals(1, client.getFlashHistory(0).size());