/**
  * Loads a statement with a group that has no members as an actor.
  *
  * @param string $id The id of the new Statement
  *
  * @return Statement
  */
 public static function getStatementWithGroupActorWithoutMembers($id = self::DEFAULT_STATEMENT_ID)
 {
     $group = ActorFixtures::getGroupWithoutMembers();
     $verb = VerbFixtures::getVerb();
     $activity = ActivityFixtures::getActivity();
     return new Statement($id, $group, $verb, $activity);
 }
 public function getObjectsToValidate()
 {
     return array(array(ActivityFixtures::getActivity(), 0), array(new Activity(), 1));
 }