Omnipay\Alipay\Tests\Common\SignerTest::testSignWithMD5 PHP Method

    public function testSignWithMD5()
    {
        $signer = new Signer($this->params);
        $sign = $signer->signWithMD5($this->key);
        $this->assertEquals('7e63e20bcc6ad2ba695305e340592ffd', $sign);
    }