diff --git a/core/modules/text/lib/Drupal/text/Tests/TextSummaryTest.php b/core/modules/text/lib/Drupal/text/Tests/TextSummaryTest.php
index 6798d3e..93601ae 100644
--- a/core/modules/text/lib/Drupal/text/Tests/TextSummaryTest.php
+++ b/core/modules/text/lib/Drupal/text/Tests/TextSummaryTest.php
@@ -193,7 +193,7 @@ function testRequiredSummary() {
     $form = array(
       "instance[settings][required_summary]" => 1,
     );
-    $this->drupalPost('admin/structure/types/manage/article/fields/body', $form, t('Save settings'));
+    $this->drupalPost('admin/structure/types/manage/article/fields/node.article.body', $form, t('Save settings'));
 
     // Login as article creator.
     $this->drupalLogin($this->article_creator);