def test_sub_groups_of_group_field_user(helpers):
        swimUser = pytest.swimlane_instance.users.get(display_name="admin")
        swimUser2 = pytest.swimlane_instance.users.get(
            display_name=pytest.testUsers[pytest.fake.random_int(0, len(pytest.testUsers)-1)])
        with pytest.raises(exceptions.ValidationError) as excinfo: