MockBeanContext ctx2 = container2.getCache().create(null, null);
Object key2 = ctx2.getId();
ctx2.shared = shared;
// TODO: how will passivation groups be created?
PassivationGroup group = groupCache.create(null, null);
container1.getCache().setGroup(ctx1, group);
container2.getCache().setGroup(ctx2, group);
// TODO: currently we need to release the group
groupCache.release(group);