ThingId extends NamespacedEntityIdWithType { public static ThingId dummy() { return DUMMY_ID; } private  ThingId(final NamespacedEntityId entityId); static ThingId of(final CharSequence thingId); static ThingId of(final String namespace, final String name); static ThingId inDefaultNamespace(final String name); static ThingId generateRandom(); static ThingId dummy(); @Override EntityType getEntityType();  }
@Test public void dummyIsDummy() { assertThat(ThingId.dummy().isDummy()).isTrue(); }