result = crawlJob.documentExpires(-1);
        assertEquals(-1, crawlJob.documentExpires);
        assertSame(crawlJob, result);
    }

    // Test webConfigIds setter
    public void test_webConfigIds() {
        String[] testIds = { "web1", "web2", "web3" };
        CrawlJob result = crawlJob.webConfigIds(testIds);
        assertArrayEquals(testIds, crawlJob.webConfigIds);
        assertSame(crawlJob, result);