Pop\Shipping\Shipping::adapter PHP Метод

    public function adapter()
    {
        return $this->adapter;
    }

 public function testSetWeight()
 {
     $s = new Shipping(new Ups('ACCESS_KEY', 'USER_ID', 'PASSWORD'));
     $s->setWeight(5, 'LBS');
     $this->assertInstanceOf('Pop\\Shipping\\Adapter\\Ups', $s->adapter());
 }