assertNotNull(result);
        assertEquals(1, result.size());
        assertTrue(result.contains("single"));
    }

    @Test
    public void test_Options_getDataConfigIdList_withValidIds() {
        Crawler.Options options = new Crawler.Options();
        options.dataConfigIds = "data1,data2,data3,data4";

        List<String> result = options.getDataConfigIdList();