void testSingleElementUnmarshall() {
auto_ptr<XMLObject> xo(unmarshallElement(singleElementFile));
SessionIndex* si = dynamic_cast<SessionIndex*>(xo.get());
void testSingleElementUnmarshall() {
auto_ptr<XMLObject> xo(unmarshallElement(singleElementFile));
SessionIndex* si = dynamic_cast<SessionIndex*>(xo.get());