public function load(ObjectManager $em)
{
$userGroup1 = new UserGroup();
$userGroup1->setName("BTS1");
$em->persist($userGroup1);
$this->addReference('group-BTS1', $userGroup1);
$userGroup2 = new UserGroup();
$userGroup2->setName("CDSM");
$em->persist($userGroup2);
$this->addReference('group-CDSM', $userGroup2);
$userGroup3 = new UserGroup();
$userGroup3->setName("BTS2");
$em->persist($userGroup3);
$this->addReference('group-BTS2', $userGroup3);
$userGroup4 = new UserGroup();
$userGroup4->setName("M2");
$em->persist($userGroup4);
$this->addReference('group-M2', $userGroup4);
$em->flush();
}
