actualResultSet = new HashSet<MeasurementData>(actualResult);
assertEquals(expectedResult, actualResultSet);
// get back the trait data by schedule id and resource id
criteria = new MeasurementDataTraitCriteria();
criteria.addFilterScheduleId(schedule1.getId());
criteria.addFilterResourceId(resource1.getId());
actualResult = measurementDataManager.findTraitsByCriteria(overlord, criteria);
actualResultSet = new HashSet<MeasurementData>(actualResult);
assertEquals(expectedResult, actualResultSet);