Payum\Paypal\Rest\Tests\PaypalRestGatewayFactoryTest::shouldSubClassGatewayFactory PHP Метод

    public function shouldSubClassGatewayFactory()
    {
        $rc = new \ReflectionClass(PaypalRestGatewayFactory::class);
        $this->assertTrue($rc->isSubclassOf(GatewayFactory::class));
    }