Disseminator diss1 = createDisseminator(dissID1, 1);
final String dissID2 = "DISS2";
Disseminator diss2 = createDisseminator(dissID2, 1);
obj.disseminators(dissID1).add(diss1);
obj.disseminators(dissID2).add(diss2);
DigitalObject result = doDeserializeOrFail(obj);
int numDisseminators = 0;
Iterator<String> iter = result.disseminatorIdIterator();