final TransactionalMultiMap txnMultiMap = context.getMultiMap(mapName);
txnMultiMap.put(key, "value");
txnMultiMap.put(key, "value1");
txnMultiMap.put(key, "value2");
assertEquals(3, txnMultiMap.get(key).size());
context.commitTransaction();
assertEquals(3, multiMap.get(key).size());
} catch (Exception e) {
error.compareAndSet(null, e);
} finally {