message: Rollback attributes that are arrays
diff: @@ -167,6 +167,7 @@ export default Component.extend({
  model.rollbackAttributes();
  model.rollbackRelationships();
  + model.reload(); // this is to rollback attributes that are arrays
  if (model.dirtyTrackingRelationNames) {
  let relationNames = Object.keys(model.dirtyTrackingRelationNames);
  