message: Update aio bug test.
diff: @@ -7,12 +7,8 @@ swoole_server: bug aio
  require __DIR__ . '/../include/bootstrap.php';
  define('__FILE_CONTENTS__', file_get_contents(__FILE__));
  $pm = new ProcessManager;
  -$pm->setWaitTimeout(1);
  -$pm->parentFunc = function () use ($pm) {
  - $pm->kill();
  - echo "DONE\n";
  - exit;
  -};
  +$pm->setWaitTimeout(0);
  +$pm->parentFunc = function () { };
  $pm->childFunc = function () use ($pm) {
  go(function () {
  assert(Co::readFile(__FILE__) === __FILE_CONTENTS__); // will be discarded
  @@ -33,6 +29,4 @@ $pm->childFirst();
  $pm->run();
  ?>
  --EXPECTF--
  -read file
  -read file ok
  -DONE
  +[%s] ERROR can not create server after using async file operation
  