//TODO : trigger UPDATE events !
final XUpdateQueryService update = (XUpdateQueryService) testCollection.getService("XUpdateQueryService", "1.0");
update.updateResource(DOCUMENT_NAME, DOCUMENT_UPDATE);
idxConf.configureCollection(EMPTY_COLLECTION_CONFIG);
final XPathQueryService service = (XPathQueryService) testCollection
.getService("XPathQueryService", "1.0");
// this is necessary to compare with MODIFIED_DOCUMENT_CONTENT ; TODO better compare with XML diff tool
service.setProperty(OutputKeys.INDENT, "no");