diff --git a/src/notification-preferences/NotificationCourses.test.jsx b/src/notification-preferences/NotificationCourses.test.jsx
index 3ad0a3e..7b7848a 100644
--- a/src/notification-preferences/NotificationCourses.test.jsx
+++ b/src/notification-preferences/NotificationCourses.test.jsx
@@ -64,6 +64,7 @@ describe('Notification Courses', () => {
       }),
     }));
     auth.getAuthenticatedUser = jest.fn(() => ({ userId: 3 }));
+    window.lightningjs = null;
   });
 
   afterEach(() => jest.clearAllMocks());
diff --git a/src/notification-preferences/NotificationPreferences.test.jsx b/src/notification-preferences/NotificationPreferences.test.jsx
index c358b66..e709c06 100644
--- a/src/notification-preferences/NotificationPreferences.test.jsx
+++ b/src/notification-preferences/NotificationPreferences.test.jsx
@@ -109,7 +109,6 @@ describe('Notification Preferences', () => {
       }),
     }));
     auth.getAuthenticatedUser = jest.fn(() => ({ userId: 3 }));
-    window.lightningjs = null;
   });
 
   afterEach(() => jest.clearAllMocks());