cache.setInterceptorChain(validateInterceptor);
// first set up a node with a pojo
DummyTransactionManager mgr = DummyTransactionManager.getInstance();
mgr.begin();
Transaction tx = mgr.getTransaction();
// inject InvocationContext
cache.getInvocationContext().setTransaction(tx);
cache.getInvocationContext().setGlobalTransaction(cache.getCurrentTransaction(tx));