def METHOD_NAME(
        self,
        deviceupdate_endpoint,
        deviceupdate_instance_id,
        deviceupdate_device_group
):
    client = self.create_client(endpoint=deviceupdate_endpoint, instance_id=deviceupdate_instance_id)
    response = client.device_management.list_best_updates_for_group(deviceupdate_device_group)
    result = [item for item in response]
    assert len(result) > 0