.../tests/src/FunctionalJavascript/CKEditorIntegrationTest.php          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/media_library/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php b/core/modules/media_library/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php
index a28d49b96f..1188a58add 100644
--- a/core/modules/media_library/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php
+++ b/core/modules/media_library/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php
@@ -155,7 +155,7 @@ public function testButton() {
     $assert_session->elementExists('css', 'button.media-library-select.button.button--primary')->click();
     $this->assignNameToCkeditorIframe();
     $this->getSession()->switchToIFrame('ckeditor');
-    $embed = $assert_session->waitForElementVisible('css', '.media-embed-widget drupal-media .media-embed', 2000);
+    $embed = $assert_session->waitForElementVisible('css', '.cke_widget_drupalmedia drupal-media .media-embed', 2000);
     $this->assertNotEmpty($embed);
     // @todo inserting media embed should enable undo.
     // $this->assertEditorButtonEnabled('undo');