MAGETWO-70743: Custom options are not listed in API call

Author: viktym

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

@@ -4,17 +4,13 @@
  * See COPYING.txt for license details.
  */
 $objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
-$registry = $objectManager->get(\Magento\Framework\Registry::class);
-$registry->unregister('isSecureArea');
-$registry->register('isSecureArea', true);
+
+/** @var \Magento\Quote\Model\Quote $quote */
 $quote = $objectManager->create(\Magento\Quote\Model\Quote::class);
 $quote->load('test_order_item_with_items_and_custom_options', 'reserved_order_id');
 $quoteId = $quote->getId();
 if ($quote->getId()) {
-    $quote->delete();
+    $objectManager->get(\Magento\Quote\Model\QuoteRepository::class)->delete($quote);
 }
 
-$registry->unregister('isSecureArea');
-$registry->register('isSecureArea', false);
-
 require __DIR__ . '/../../Checkout/_files/quote_with_address_rollback.php';