def METHOD_NAME(self):
    realm, realm_user = force_realm_user()
    realm_user.claims = {"ava": {"Yolo": "Fomo", "Un": [1]}}
    group = Group.objects.create(name=get_random_string(12))
    RealmGroupMapping.objects.create(
        realm=realm,
        claim="Un",
        separator="",
        value="1",
        group=group,
    )
    self.assertEqual(get_realm_user_mapped_groups(realm_user), {group})