message: Use "being" to test http2 cookies.
diff: @@ -6,7 +6,7 @@ swoole_http2_client_coro: http2 response cookies
  <?php
  require_once __DIR__ . '/../include/bootstrap.php';
  go(function () {
  - $domain = 'www.zhihu.com';
  + $domain = 'www.bing.com';
  $cli = new Swoole\Coroutine\Http2\Client($domain, 443, true);
  $cli->set([
  'timeout' => 10,
  @@ -26,6 +26,7 @@ go(function () {
  /**@var $response swoole_http2_response */
  $response = $cli->recv();
  assert(is_array($response->headers));
  + assert(count($response->set_cookie_headers) >= 3);
  // check cookies
  foreach ($response->set_cookie_headers as $set_cookie_header) {
  $cookie = explode(';', $set_cookie_header, 2)[0];
  