String[] fields = fessConfig.getEntraIdPermissionFields();
        assertEquals(1, fields.length);
        assertEquals("newField", fields[0]);
    }

    @Test
    public void test_isEntraIdUseDomainServices_withNewKey() {
        final Map<String, String> systemPropMap = new HashMap<>();
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override