Omnipay\Common\CreditCard::getIssueNumber PHP 메소드

    public function getIssueNumber()
    {
        return $this->getParameter('issueNumber');
    }

 public function testIssueNumber()
 {
     $this->card->setIssueNumber('12');
     $this->assertSame('12', $this->card->getIssueNumber());
 }