MC-31198: Group titles not found for downloadable products while importing products

Author: Roman Lytvynenko

app/code/Magento/DownloadableImportExport/Model/Import/Product/Type/Downloadable.php

@@ -406,11 +406,6 @@ protected function isRowValidLink(array $rowData)
 
         $linkData = $this->prepareLinkData($rowData[self::COL_DOWNLOADABLE_LINKS]);
 
-        if ($this->linksAdditionalAttributes($rowData, 'group_title', self::DEFAULT_GROUP_TITLE) == '') {
-            $this->_entityModel->addRowError(self::ERROR_GROUP_TITLE_NOT_FOUND, $this->rowNum);
-            $result = true;
-        }
-
         $result = $result ?? $this->isTitle($linkData);
 
         foreach ($linkData as $link) {

dev/tests/integration/testsuite/Magento/Downloadable/_files/product_downloadable_with_link_url_and_sample_url.php

@@ -44,7 +44,6 @@
     ->setVisibility(Visibility::VISIBILITY_BOTH)
     ->setStatus(Status::STATUS_ENABLED)
     ->setLinksPurchasedSeparately(true)
-    ->setLinksTitle('Links')
     ->setSamplesTitle('Samples')
     ->setStockData(
         [