el.addContent(details);
doc.setRootElement(el);
udd.fromXML(doc);
// Export to XML
doc = new Document();
doc.setRootElement(udd.toXml());
// Read in again - should be a valid UDD
udd.fromXML(doc);
assertEquals("1.0", udd.getVersionTag());
assertEquals("http://incubator.apache.org/wookie/test.wgt", udd.getUpdateSource().toString());
assertEquals("test", udd.getDetails("en"));