message: Fix exit test.
diff: --TEST--
  swoole_coroutine: exit
  --SKIPIF--
  -<?php require __DIR__ . '/../include/skipif.inc'; skip('confirm it soon', true, SWOOLE_COLOR_RED) ?>
  +<?php require __DIR__ . '/../include/skipif.inc'; ?>
  --FILE--
  <?php
  require __DIR__ . '/../include/bootstrap.php';
  @@ -9,12 +9,15 @@ require __DIR__ . '/../include/bootstrap.php';
  $exit_status_list = [
  'undef',
  null,
  + true,
  + false,
  1,
  1.1,
  'exit',
  ['exit' => 'ok'],
  (object)['exit' => 'ok'],
  - STDIN
  + STDIN,
  + 0
  ];
  function route()
  @@ -69,6 +72,8 @@ for ($i = 0; $i < count($exit_status_list); $i++) {
  --EXPECTF--
  NULL
  NULL
  +bool(true)
  +bool(false)
  int(1)
  float(1.1)
  string(4) "exit"
  