diff --git a/core/tests/Drupal/TestTools/Extension/HtmlLogging/HtmlOutputLogger.php b/core/tests/Drupal/TestTools/Extension/HtmlLogging/HtmlOutputLogger.php
index 10a8f5a49b6..ada2cc74ea2 100644
--- a/core/tests/Drupal/TestTools/Extension/HtmlLogging/HtmlOutputLogger.php
+++ b/core/tests/Drupal/TestTools/Extension/HtmlLogging/HtmlOutputLogger.php
@@ -79,7 +79,7 @@ final class HtmlOutputLogger {
    * Logs a link to a generated HTML page.
    *
    * @param string $logEntry
-   *   A link to a generated HTML page.
+   *   A link to a generated HTML page, should not contain a trailing newline.
    *
    * @throws \RuntimeException
    */
diff --git a/core/tests/Drupal/Tests/BrowserHtmlDebugTrait.php b/core/tests/Drupal/Tests/BrowserHtmlDebugTrait.php
index 35400a5c90e..f61073e51c7 100644
--- a/core/tests/Drupal/Tests/BrowserHtmlDebugTrait.php
+++ b/core/tests/Drupal/Tests/BrowserHtmlDebugTrait.php
@@ -118,7 +118,7 @@ trait BrowserHtmlDebugTrait {
     // Do not use the file_url_generator service as the module_handler service
     // might not be available.
     $uri = $this->htmlOutputBaseUrl . '/sites/simpletest/browser_output/' . $html_output_filename;
-    HtmlOutputLogger::log($uri . "\n");
+    HtmlOutputLogger::log($uri);
   }
 
   /**