magento/graphql-ce#679: Add support of "Allow Guest Checkout" option

Author: naydav

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/AllowGuestCheckoutOptionTest.php

@@ -7,7 +7,6 @@
 
 namespace Magento\GraphQl\Quote\Guest;
 
-use Exception;
 use Magento\Framework\Registry;
 use Magento\GraphQl\Quote\GetMaskedQuoteIdByReservedOrderId;
 use Magento\OfflinePayments\Model\Checkmo;
@@ -18,9 +17,9 @@
 use Magento\TestFramework\TestCase\GraphQlAbstract;
 
 /**
- * Test for placing an order for guest
+ * Allow guest checkout option test
  */
-class PlaceOrderTest extends GraphQlAbstract
+class AllowGuestCheckoutOptionTest extends GraphQlAbstract
 {
     /**
      * @var GetMaskedQuoteIdByReservedOrderId

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetBillingAddressOnCartTest.php

@@ -7,7 +7,6 @@
 
 namespace Magento\GraphQl\Quote\Guest;
 
-use Magento\Framework\App\Config\ScopeConfigInterface;
 use Magento\GraphQl\Quote\GetMaskedQuoteIdByReservedOrderId;
 use Magento\TestFramework\Helper\Bootstrap;
 use Magento\TestFramework\TestCase\GraphQlAbstract;