only in patch2:
unchanged:
--- a/core/modules/ckeditor5/tests/src/FunctionalJavascript/CKEditor5Test.php
+++ b/core/modules/ckeditor5/tests/src/FunctionalJavascript/CKEditor5Test.php
@@ -390,7 +390,7 @@ public function testEditorFileReferenceIntegration() {
     $uploaded_image = File::load(1);
     $image_url = $this->container->get('file_url_generator')->generateString($uploaded_image->getFileUri());
     $image_uuid = $uploaded_image->uuid();
-    $assert_session->elementExists('xpath', sprintf('//img[@src="%s" and @loading="lazy" and @width and @height and @data-entity-uuid="%s" and @data-entity-type="file"]', $image_url, $image_uuid));
+    $assert_session->elementExists('xpath', sprintf('//img[@src="%s" and @data-entity-uuid="%s" and @data-entity-type="file"]', $image_url, $image_uuid));
 
     // Ensure that width, height, and length attributes are not stored in the
     // database.
@@ -402,7 +402,7 @@ public function testEditorFileReferenceIntegration() {
     $this->assertNotEmpty($assert_session->waitForElement('css', '.ck-editor'));
     $page->pressButton('Save');
 
-    $assert_session->elementExists('xpath', sprintf('//img[@src="%s" and @loading="lazy" and @width and @height and @data-entity-uuid="%s" and @data-entity-type="file"]', $image_url, $image_uuid));
+    $assert_session->elementExists('xpath', sprintf('//img[@src="%s" and @data-entity-uuid="%s" and @data-entity-type="file"]', $image_url, $image_uuid));
   }
 
   /**