assertNull(System.getProperty("test." + now));
        appValue.set("=abc\nfess." + now + "=test1\ntest." + now + "=test2");
        helper.updateSystemProperties();
        assertEquals("test1", System.getProperty("fess." + now));
        assertEquals("test2", System.getProperty("test." + now));
    }

    @Test
    public void test_getCurrentTime() {

    // ===================================================================================
    //                                                              fess.var.path Tests
    //                                                              ====================

    @Test
    public void test_validateFilePath_validPathUnderVarPath() throws Exception {
        final FessAdminAction action = createAction();

    }

    // ===== Script Execution Audit Log Tests =====

    @Test
    public void test_normalizeScript_null() {
        assertEquals("-", activityHelper.normalizeScript(null));
    }

    @Test
    public void test_normalizeScript_empty() {
        assertEquals("", activityHelper.normalizeScript(""));
    }

    @Test
    public void test_normalizeScript_normal() {

        searchLogHelper.createSearchLog(params, now, "test-query-id", "test query", 0, 10, queryResponseList, context);

        assertFalse(searchLogHelper.searchLogQueue.isEmpty());
        final SearchLog searchLog = searchLogHelper.searchLogQueue.poll();
        assertEquals(Constants.SEARCH_LOG_ACCESS_TYPE_WEB, searchLog.getAccessType());
    }

    // ===== determineAccessType direct tests =====

    @Test

        final Map<String, Object> map = Map.of("name", "test-name");
        assertEquals("test-name", coordinatorHelper.getStringValue(map, "name"));
    }

    @Test
    public void test_getStringValue_numeric() {
        final Map<String, Object> map = Map.of("count", 42);
        assertEquals("42", coordinatorHelper.getStringValue(map, "count"));
    }

    @Test
    public void test_getStringValue_null() {

    }

    @Test
    public void test_idGetterSetter() {
        final ScheduledJob job = new ScheduledJob();
        job.setId("test-id-123");
        assertEquals("test-id-123", job.getId());
    }

    // ===================================================================================
    //                                                                    start(Map) Tests

        super.setUp(testInfo);
        ComponentUtil.register(new SystemHelper(), "systemHelper");
    }

    @Test
    public void test_defaultConstructor() {
        final JobLog jobLog = new JobLog();
        assertNotNull(jobLog);
        assertNull(jobLog.getId());
    }

    @Test
    public void test_constructorWithScheduledJob() {
        final ScheduledJob scheduledJob = createTestScheduledJob();

        form.id = "test-id";
        form.seqNo = 1L;
        form.primaryTerm = 1L;
        form.crudMode = CrudMode.EDIT;

        assertEquals("test-id", form.id);
        assertEquals(1L, form.seqNo.longValue());
        assertEquals(1L, form.primaryTerm.longValue());
        assertEquals(CrudMode.EDIT, form.crudMode.intValue());
    }

    @Test
    public void test_deleteForm_fields() {

    }

    @Test
    public void test_constructor() {
        LogNotificationTarget target = new LogNotificationTarget();
        assertNotNull(target);
    }

    @Test
    public void test_expired_emptyBuffer() {
        // expired() with empty buffer is no-op (no exception)
        logNotificationTarget.expired();
    }

    @Test
    public void test_flush_callsExpired() {

        assertEquals("org.codelibs.fess.test", events.get(0).getLoggerName());
        assertEquals("test error message", events.get(0).getMessage());
        assertNull(events.get(0).getThrowable());
    }

    @Test
    public void test_append_warnEvent_withErrorLevel() {
        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        appender.append(event);