try (DirContextHolder holder = getDirContext(() -> env)) {
                final DirContext context = holder.get();
                final LdapUser ldapUser = createLdapUser(username, env);
                if (!allowEmptyGroupAndRole(ldapUser)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Login failed. No permissions. {}", context);
                    }

        };

        allowEmptyPermission.set(true);
        assertTrue(ldapManager.allowEmptyGroupAndRole(user));
        allowEmptyPermission.set(false);
        assertFalse(ldapManager.allowEmptyGroupAndRole(user));

        permissionList.add("2aaa");

        allowEmptyPermission.set(true);
        assertTrue(ldapManager.allowEmptyGroupAndRole(user));
        allowEmptyPermission.set(false);