ACP2E-3361: Some of the relations records are saved to DB when order record is saved

Author: aplapana

dev/tests/integration/testsuite/Magento/Downloadable/Model/Observer/SaveDownloadableOrderItemObserverTest.php

@@ -70,6 +70,7 @@ public function testOrderStateIsProcessingAndInvoicedOrderItemLinkIsDownloadable
 
         /** Save order item to trigger observers */
         $orderItemRepository = $this->objectManager->get(ItemRepository::class);
+        $orderItem->setUpdatedAt(date('Y-m-d H:i:s'));
         $orderItemRepository->save($orderItem);
 
         $this->assertOrderItemLinkStatus((int)$orderItem->getId(), Item::LINK_STATUS_AVAILABLE);