Payum\Paypal\ProHosted\Nvp\Action\SyncAction::supports PHP Method

    public function supports($request)
    {
        return $request instanceof Sync && $request->getModel() instanceof \ArrayAccess;
    }

 /**
  * @test
  */
 public function shouldNotSupportAnythingNotSync()
 {
     $action = new SyncAction();
     $this->assertFalse($action->supports(new \stdClass()));
 }