assertEquals("2005-01-01", sitemaps[1].getLastmod());
        assertEquals("http://www.example.com/sitemap2.xml.gz", sitemaps[1].getLoc());

    }

    public void test_parseXmlSitemapsIndexGz() {
        final InputStream in = ResourceUtil.getResourceAsStream("sitemaps/sitemap2.xml.gz");
        final SitemapSet sitemapSet = sitemapsHelper.parse(in);