family.addHead(new Person("Kim"));
family.addChild(new Person("Sam"));
family.addChild(new Person("Maggie"));
family.addChild(new Person("Katy"));
ObjectStore os = ObjectStore.Factory.create();
ObjectStoreSession oss = os.beginSession();
Key key = oss.store(family).now();
ObjectStoreSession oss2 = os.beginSession();
Family family2 = (Family) oss2.load(key).now();
assertEquals(family.name, family2.name);
assertEquals(family.heads.size(), family2.heads.size());