Webiny\Component\Rest\Response\CallbackResult::setData PHP Method

    public function setData($data)
    {
        $this->outputArray['data'] = $data;
        return $this;
    }

 public function testGetErrorFalse()
 {
     $obj = new \stdClass();
     $obj->title = 'Rock star';
     $cr = new CallbackResult();
     $cr->setData($obj);
     $this->assertFalse($cr->getError());
 }