TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
mulitMapTxn.put(key, value);
mulitMapTxn.put(key, value);
tx.rollbackTransaction();
assertEquals(Collections.EMPTY_SET, multiMap.get(key));
}
@Test