MAGETWO-54776: Checkout Grand Total amount miscacluation

Author: omiroshnichenko

app/code/Magento/Quote/Model/Quote/Address/Total/Grand.php

@@ -14,6 +14,7 @@ class Grand extends \Magento\Quote\Model\Quote\Address\Total\AbstractTotal
      * @param \Magento\Quote\Api\Data\ShippingAssignmentInterface $shippingAssignment
      * @param \Magento\Quote\Model\Quote\Address\Total $total
      * @return $this
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function collect(
         \Magento\Quote\Model\Quote $quote,