public function testIndex()
{
$this->client->request('GET', $this->app->url('admin_order_mail', array('id' => $this->Order->getId())));
$this->assertTrue($this->client->getResponse()->isSuccessful());
$expected = array(EccubeEvents::ADMIN_ORDER_MAIL_INDEX_INITIALIZE);
$this->verifyOutputString($expected);
}