diff --git a/core/modules/simpletest/src/AssertContentTrait.php b/core/modules/simpletest/src/AssertContentTrait.php
index e428e71..3f6bac5 100644
--- a/core/modules/simpletest/src/AssertContentTrait.php
+++ b/core/modules/simpletest/src/AssertContentTrait.php
@@ -515,7 +515,7 @@ protected function assertEscaped($raw, $message = '', $group = 'Other') {
    * @return bool
    *   TRUE on pass, FALSE on fail.
    */
-  protected function assertNoEscaped($raw, $message = '', $group = 'Other') {
+  public function assertNoEscaped($raw, $message = '', $group = 'Other') {
     if (!$message) {
       $message = 'Escaped "' . Html::escape($raw) . '" not found';
     }