def METHOD_NAME():
    "Test the whole focused crawler mechanism."
    spider.URL_STORE = UrlStore()
    todo, known_links = spider.focused_crawler("https://httpbun.org/links/1/1", max_seen_urls=1)
    ## TODO: check this on Github actions:
    # assert sorted(known_links) == ['https://httpbun.org/links/1/0', 'https://httpbun.org/links/1/1']
    # assert sorted(todo) == ['https://httpbun.org/links/1/0']