assertNotLocked(k1);
assertNotLocked(k2);
assertNull(cache(0).get(k1));
assertNull(cache(0).get(k2));
assertEquals(cf.received(PrepareCommand.class), 1);
assertEquals(cf.received(RollbackCommand.class), 2);
assertEquals(cf.received(TxCompletionNotificationCommand.class), 0);
}
}