private CommandBlocker addCommandBlocker(Cache cache) {
InterceptorChain chain = TestingUtil.extractComponent(cache, InterceptorChain.class);
CommandBlocker blocker = new CommandBlocker();
chain.addInterceptor(blocker, 0);
return blocker;
}
public void addInterceptor(CommandInterceptor i, int position) {
invoker.addInterceptor(i, position);
}