message: Use SWOOLE_LOG_WARNING.
diff: @@ -5,7 +5,7 @@ swoole_http2_client_coro: http2 ping
  --FILE--
  <?php
  require __DIR__ . '/../include/bootstrap.php';
  -Co::set(['log_level' => SWOOLE_LOG_INFO]);
  +Co::set(['log_level' => SWOOLE_LOG_WARNING]);
  go(function () {
  $domain = 'nghttp2.org';
  $cli = new Swoole\Coroutine\Http2\Client($domain, 443, true);
  