diff --git a/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php b/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
index 3f2ab9de2f..35a66554cd 100644
--- a/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
@@ -387,6 +387,8 @@ public function providerTestTransformRootRelativeUrlsToAbsolute() {
       }
     }
 
+    $data['html without links'] = ["Test without links but with\r\nsome special characters", 'http://example.com', FALSE];
+
     return $data;
   }