@Test
    public void test_escapeValue_noSpecialChars() {
        assertEquals("admin", LdapUtil.escapeValue("admin"));
        assertEquals("john.doe", LdapUtil.escapeValue("john.doe"));
        assertEquals("user123", LdapUtil.escapeValue("user123"));
        assertEquals("Test User", LdapUtil.escapeValue("Test User"));
    }

    @Test
    public void test_escapeValue_backslash() {

        FessUserNotFoundException exception2 = new FessUserNotFoundException("user2");

        assertNotSame(exception1, exception2);
        assertFalse(exception1.getMessage().equals(exception2.getMessage()));
        assertEquals("User is not found: user1", exception1.getMessage());
        assertEquals("User is not found: user2", exception2.getMessage());
    }

        assertEquals("user1", resultList.get(0).get("name"));
    }

    @Test
    public void test_register_collectionPerformanceOptimization() {
        RenderData data = new RenderData();

        BsUser entity1 = new BsUser();
        entity1.setName("user1");
        BsUser entity2 = new BsUser();
        entity2.setName("user2");