DocumentImpl doc;
String data;
doc = broker.getXMLResource(TEST_COLLECTION_URI.append("test2/test.xml"), Lock.READ_LOCK);
assertNotNull("Document '"+ TEST_COLLECTION_URI.append("test2/test.xml")+"' should not be null", doc);
data = serializer.serialize(doc);
System.out.println(data);
doc.getUpdateLock().release(Lock.READ_LOCK);
XQuery xquery = broker.getXQueryService();
Sequence seq = xquery.execute("/products/product[last()]", null, AccessContext.TEST);