assertEquals(4, sitemaps.length);
        assertEquals("http://www.example.com/page1.html", sitemaps[0].getLoc());
        assertEquals("http://www.example.com/page2.html", sitemaps[1].getLoc());
        assertEquals("http://www.example.com/page3.html", sitemaps[2].getLoc());
        assertEquals("https://www.example.com/page4.html", sitemaps[3].getLoc());
    }

    public void test_parseXmlSitemapsIndex_missingLoc() {