def METHOD_NAME(self, cookie_dealer):
    cookie_name = "Foobar"
    kaka = cookie_dealer.delete_cookie(cookie_name)
    cookie_expiration = kaka[1].split(";")[1].split("=")[1]
    now = datetime.datetime.utcnow()  #
    cookie_timestamp = datetime.datetime.strptime(
        cookie_expiration, "%a, %d-%b-%Y %H:%M:%S GMT"
    )
    assert cookie_timestamp < now