assertEquals("user\\2a", ldapManager.escapeLDAPSearchFilter("user*"));
        assertEquals("\\2aadmin\\2a", ldapManager.escapeLDAPSearchFilter("*admin*"));
    }

    @Test
    public void test_escapeLDAPSearchFilter_withParentheses() {
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        // Parentheses should be escaped (prevents filter injection)