ProtwordsFile.ProtwordsUpdater updater = protwordsFile.new ProtwordsUpdater(item);

        // Try to write a different item with same ID
        ProtwordsItem differentItem = new ProtwordsItem(1, "differentValue");

        try {
            updater.write(differentItem);
            fail("Should throw DictionaryException");
        } catch (DictionaryException e) {