@Override
 protected Permission getModel() {
   Permission model = new Permission();
   model.setDataCenter(new DataCenter());
   model.getDataCenter().setId(GUIDS[2].toString());
   model.setRole(new Role());
   model.getRole().setId(GUIDS[3].toString());
   return model;
 }
  @Test
  public void testAddIncompletePermission() throws Exception {
    Permission model = new Permission();
    model.setGroup(new Group());
    model.getGroup().setId(GUIDS[1].toString());
    model.setRole(new Role());
    model.getRole().setId(GUIDS[3].toString());

    setUriInfo(setUpBasicUriExpectations());
    control.replay();
    try {
      collection.add(model);
    } catch (WebApplicationException wae) {
      verifyIncompleteException(
          wae, "Permission", "add", "dataCenter|cluster|host|storageDomain|vm|vmpool|template.id");
    }
  }