def METHOD_NAME(self) -> None:
    correct_fn_identifier = '/task/deferredtaskshandler'
    correct_args = (1, 2, 3)
    correct_kwargs = {'a': 'b', 'c': 'd'}
    expected_queue_name = taskqueue_services.QUEUE_NAME_EMAILS
    expected_url = feconf.TASK_URL_DEFERRED
    expected_payload = {
        'fn_identifier': correct_fn_identifier,
        'args': correct_args,
        'kwargs': correct_kwargs
    }
    create_http_task_swap = self.swap_with_checks(
        platform_taskqueue_services,
        'create_http_task',
        lambda queue_name, url, payload=None, scheduled_for=None: None,
        expected_kwargs=[{
            'queue_name': expected_queue_name,
            'url': expected_url,
            'payload': expected_payload
        }]
    )
    with create_http_task_swap:
        taskqueue_services.defer(
            correct_fn_identifier,
            taskqueue_services.QUEUE_NAME_EMAILS,
            *correct_args, **correct_kwargs
        )