/**
  * Overwrite parent method to adding properly carrier name
  * when it starts with assigned $carrierCode ("easyshippingrules")
  *
  * @param string $carrierCode
  *
  * @return string
  */
 public function getCarrierName($carrierCode)
 {
     $carrierName = Mage::helper('easyshippingrules')->getCarrierName($carrierCode);
     if ($carrierName) {
         return $carrierName;
     }
     return parent::getCarrierName($carrierCode);
 }