diff -u b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php
--- b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php
+++ b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php
@@ -42,7 +42,7 @@
     $this->drupalGet('user');
     $this->assertSession()->elementNotExists('css', '.contextual button');
 
-    // Grant Permissions
+    // Grant permissions to use contextual links on blocks.
     $this->grantPermissions(Role::load(Role::AUTHENTICATED_ID), [
       'access contextual links',
       'administer blocks',