Issue #2845319: The highlighting of the 'Home' menu-link does not respect query strings and fragment identifiers

core/modules/ckeditor5/tests/src/Functional/AddedStylesheetsTest.php

@@ -83,6 +83,7 @@ function (ConstraintViolation $v) {
       'use text format llama',
       'administer themes',
       'view the administration theme',
+      'administer filters',
     ]);
     $this->drupalLogin($this->adminUser);
   }
@@ -102,6 +103,11 @@ public function testCkeditorStylesheets() {
     $this->drupalGet('node/add/article');
     $assert_session->responseNotContains('test_ckeditor_stylesheets_relative/css/yokotsoko.css');
 
+    // Confirm that the missing ckeditor5-stylesheets configuration can be
+    // bypassed.
+    $this->drupalGet('admin/config/content/formats/manage/llama');
+    $assert_session->pageTextNotContains('ckeditor_stylesheets configured without a corresponding ckeditor5-stylesheets configuration.');
+
     // Install a theme with ckeditor5-stylesheets configured. Do this manually
     // to confirm `library_info` cache tags are invalidated.
     $this->drupalGet('admin/appearance');