def METHOD_NAME(
    self, blackboard_api_client, plugin, grouping_service, course
):
    api_groups = plugin.get_groups_for_instructor(
        grouping_service, course, sentinel.group_set_id
    )
    blackboard_api_client.group_set_groups.assert_called_once_with(
        course.lms_id, sentinel.group_set_id
    )
    assert api_groups == blackboard_api_client.group_set_groups.return_value