message: Add headers check.
diff: @@ -28,11 +28,13 @@ go(function () {
  assert($cli->send($req));
  }
  $stream_map = [];
  + $responses_headers_count_map = [];
  $i = 0;
  while (true) {
  $response = $cli->recv(0.1); // it's for the test, you should make timeout bigger
  if ($response) {
  echo "$response->statusCode\n";
  + $responses_headers_count_map[] = count($response->headers);
  assert(strpos($response->body, 'Cookie') !== false);
  $stream_map[] = $response->streamId;
  if (++$i === 4) {
  @@ -41,6 +43,7 @@ go(function () {
  }
  }
  assert(empty(array_diff([1, 3, 5, 7], $stream_map)));
  + assert(count(array_unique($responses_headers_count_map)) === 1);
  });
  ?>
  --EXPECT--
  