diff --git a/core/modules/migrate_drupal/tests/src/Traits/CreateTestContentEntitiesTrait.php b/core/modules/migrate_drupal/tests/src/Traits/CreateTestContentEntitiesTrait.php
index f30926c..9909987 100644
--- a/core/modules/migrate_drupal/tests/src/Traits/CreateTestContentEntitiesTrait.php
+++ b/core/modules/migrate_drupal/tests/src/Traits/CreateTestContentEntitiesTrait.php
@@ -145,7 +145,7 @@ protected function createContentPostUpgrade() {
 
     // Create a block content.
     if ($entity_type_manager->hasDefinition('block_content')) {
-      $block = $entity_type_manager->getStorage('aggregator_item')->create([
+      $block = $entity_type_manager->getStorage('block_content')->create([
         'info' => 'Post upgrade block',
         'type' => 'block',
       ]);
@@ -154,7 +154,7 @@ protected function createContentPostUpgrade() {
 
     // Create a node.
     if ($entity_type_manager->hasDefinition('node')) {
-      $node = $entity_type_manager->getStorage('aggregator_item')->create([
+      $node = $entity_type_manager->getStorage('node')->create([
         'type' => 'page',
         'title' => 'Post upgrade page',
       ]);
@@ -162,7 +162,7 @@ protected function createContentPostUpgrade() {
 
       // Create a comment.
       if ($entity_type_manager->hasDefinition('comment')) {
-        $comment = $entity_type_manager->getStorage('aggregator_item')->create([
+        $comment = $entity_type_manager->getStorage('comment')->create([
           'comment_type' => 'comment',
           'field_name' => 'comment',
           'entity_type' => 'node',