public void packed_component_mappers_return_new_instance_on_request() {
world.initialize();
Entity e1 = createEntity(Packed.class);
Entity e2 = createEntity(Packed.class);
Packed packed1 = packedMapper.get(e1, true);
Packed packed2 = packedMapper.get(e2, true);
assertNotEquals(packed1.entityId, packed2.entityId);
}