public function load(ObjectManager $manager)
 {
     $group = new Group();
     $group->setUsername('public-group')->setManagerEmail('*****@*****.**')->setPassword('fakepassword');
     $group->setMembershipControl(Group::GROUP_MEMBERSHIP_PUBLIC);
     $manager->persist($group);
     $manager->flush();
     $this->addReference('public-group-fields', $group);
 }
 public function setMembershipControl($membershipControl)
 {
     $this->__load();
     return parent::setMembershipControl($membershipControl);
 }