// Pause to give caches time to see each other
TestingUtil.blockUntilViewsReceived(new CacheSPI[]{cacheA, cacheB}, 60000);
final TransactionManager tm = cacheB.getTransactionManager();
tm.begin();
final Transaction tx = tm.getTransaction();
cacheB.put("/1/A", "1", "B");
cacheB.put("/1/A", "2", "B");
cacheB.put("/2/A", "1", "B");