@Test
    public void test_constructor_withIdZero() {
        // Test constructor with id = 0 (create mode)
        ProtwordsItem item = new ProtwordsItem(0, "testword");

        assertEquals(0, item.getId());
        assertEquals("testword", item.getInput());
        assertEquals("testword", item.getNewInput());
    }

    @Test
    public void test_constructor_withNonZeroId() {
        // Test constructor with id != 0 (existing item)

    }

    public void test_clear() {
        ElevateWordPager elevateWordPager = new ElevateWordPager();
        elevateWordPager.id = "testId";
        elevateWordPager.suggestWord = "testWord";
        elevateWordPager.versionNo = "1";
        elevateWordPager.setAllRecordCount(100);
        elevateWordPager.setAllPageCount(10);
        elevateWordPager.setExistPrePage(true);

        // and properly closed even when errors might occur

        protwordsFile.reload(null);

        // Test normal creation and cleanup of ProtwordsUpdater
        ProtwordsItem testItem = new ProtwordsItem(0, "testWord");
        ProtwordsFile.ProtwordsUpdater updater = null;

        try {
            // Create the updater successfully
            updater = protwordsFile.new ProtwordsUpdater(testItem);

              ]]></prerequisite_results>
				<testwords><![CDATA[

              ]]></testwords>
			</collection>
			<collection Name="n2sm">
				<bad_urls><![CDATA[
contains:\\.xml$
              ]]></bad_urls>
				<good_urls><![CDATA[
https://www.n2sm.net/
              ]]></good_urls>
				<prerequisite_results><![CDATA[
20
              ]]></prerequisite_results>
				<testwords><![CDATA[

              ]]></testwords>

        assertEquals(0, events.size());
    }

    @Test
    public void test_append_warnEvent_withWarnLevel() {
        final LogNotificationAppender warnAppender = LogNotificationAppender.createAppender("testWarn", "WARN", null, null);
        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        warnAppender.append(event);