diff --git a/core/modules/shortcut/tests/src/Functional/ShortcutTourTest.php b/core/modules/shortcut/tests/src/Functional/ShortcutTourTest.php
index 527dcc9465..266539b932 100644
--- a/core/modules/shortcut/tests/src/Functional/ShortcutTourTest.php
+++ b/core/modules/shortcut/tests/src/Functional/ShortcutTourTest.php
@@ -23,7 +23,7 @@ class ShortcutTourTest extends TourTestBase {
    *
    * @var array
    */
-  public static $modules = ['block', 'shortcut', 'tour'];
+  protected static $modules = ['block', 'shortcut', 'tour'];
 
   /**
    * {@inheritdoc}