}

    // Test StopwordsUpdater inner class
    public void test_updater_writeOldItem() {
        loadTestData();

        StopwordsItem item = stopwordsFile.get(1).get();
        StopwordsFile.StopwordsUpdater updater = stopwordsFile.new StopwordsUpdater(null);

        StopwordsItem result = updater.write(item);
        assertNotNull(result);

    @Override
    public synchronized void insert(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override