message: Skip the test in travis (due to outer network).
diff: --TEST--
  swoole_client_coro: eof with smtp qq
  --SKIPIF--
  -<?php require __DIR__ . '/../include/skipif.inc';
  +<?php
  +require __DIR__ . '/../include/skipif.inc';
  +skip_if_in_travis();
  ?>
  --FILE--
  <?php
  