magento/graphql-ce#683: Add discount information to Cart

- code style fixes

Author: lenaorobei

dev/tests/integration/testsuite/Magento/GraphQl/Quote/_files/cart_rule_discount_no_coupon.php

@@ -15,7 +15,6 @@
 use Magento\Store\Model\StoreManagerInterface;
 use Magento\TestFramework\Helper\Bootstrap;
 
-
 $objectManager = Bootstrap::getObjectManager();
 /** @var RuleRepositoryInterface $ruleRepository */
 $ruleRepository = $objectManager->get(RuleRepositoryInterface::class);