assertEquals("alerts", fields[0]);
        assertEquals("roles", fields[1]);
    }

    public void test_indexAdminDateFields() {
        String[] fields = fessConfig.getIndexAdminDateFields().split(",");
        assertEquals(3, fields.length);
        assertEquals("expires", fields[0]);
        assertEquals("start_time", fields[1]);
        assertEquals("end_time", fields[2]);
    }