MAGETWO-98680: Cart Price Rule code is absent on "view Order/Invoice" Admin page if had been used for Free Shipping

Author: romadjelf

app/code/Magento/Sales/Block/Adminhtml/Totals.php

@@ -7,6 +7,11 @@
 
 use Magento\Sales\Model\Order;
 
+/**
+ * Adminhtml sales totals block
+ *
+ * @package Magento\Sales\Block\Adminhtml
+ */
 class Totals extends \Magento\Sales\Block\Order\Totals
 {
     /**

dev/tests/integration/testsuite/Magento/Sales/Block/Adminhtml/TotalsTest.php

@@ -48,6 +48,10 @@ public function testShowShippingCoupon()
 
         $shippingTotal = $this->_block->getTotal('shipping');
         $this->assertNotFalse($shippingTotal, 'Shipping method is absent on the total\'s block.');
-        $this->assertContains('1234567890', $shippingTotal->getLabel(), 'Coupon code is absent in the shipping method label name.');
+        $this->assertContains(
+            '1234567890',
+            $shippingTotal->getLabel(),
+            'Coupon code is absent in the shipping method label name.'
+        );
     }
 }