final ListAttributeValue value1_DB = listAttributeDB.getValues().iterator().next();
Assert.assertTrue(value1.getId().equals(value1_DB.getId()));
logger.info(" -- asserted data in db");
final AttributeHolder holder = new AttributeHolder();
holder.add(listAttributeDB);
Ebean.save(holder);
logger.info(" -- saved holder");
// Now change the M2M listAttribute.values and save the holder