Merge branch 'MAGETWO-49944' of https://github.corp.magento.com/magento-firedrakes/magento2ce into MAGETWO-49944

Author: Dmytro Voskoboinikov

dev/tests/integration/testsuite/Magento/Checkout/_files/discount_10percent_rollback.php

@@ -8,5 +8,8 @@
 
 /** @var \Magento\SalesRule\Model\Rule $salesRule */
 $salesRule = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create('Magento\SalesRule\Model\Rule');
-$salesRule->load('Test Coupon', 'name');
+/** @var int $salesRuleId */
+$salesRuleId = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get('Magento\Framework\Registry')
+    ->registry('Magento/Checkout/_file/discount_10percent');
+$salesRule->load($salesRuleId);
 $salesRule->delete();