diff --git a/tests/src/Functional/KeyOverrideAdminTest.php b/tests/src/Functional/KeyOverrideAdminTest.php
index d74a3aa5b6a9e5e488e9d9fcc4bf041e1f1c7c50..64495b2dd76d2fc600d2dc82054e72260c638b8e 100644
--- a/tests/src/Functional/KeyOverrideAdminTest.php
+++ b/tests/src/Functional/KeyOverrideAdminTest.php
@@ -20,6 +20,13 @@ class KeyOverrideAdminTest extends BrowserTestBase {
    */
   protected $defaultTheme = 'stark';
 
+  /**
+   * The Drupal user entity.
+   *
+   * @var \Drupal\user\Entity\User
+   */
+  protected $overrideUser;
+
   /**
    * {@inheritdoc}
    */