/**
  * Look for the absence of a filename in a attachments of a given message
  *
  * @param \MailChecker\Models\Message $email
  * @param $unexpectedFilename
  */
 protected function dontSeeInEmailAttachment(Message $email, $unexpectedFilename)
 {
     $this->assertNotContains($unexpectedFilename, $email->getAttachmentsFilesNames(), 'Email Does Not Contains Attachment');
 }