replace notifications repository with a fresh one in the test

test/notifications/schedulers/ETANotificationSchedulerTests.test.ts

@@ -118,6 +118,9 @@ describe("ETANotificationScheduler", () => {
       // detach the old callback method from the shuttle repo
       notificationService.stopListeningForUpdates();
 
+      // replace the notification repository with a fresh one too
+      const notificationRepository = new InMemoryNotificationRepository();
+
       mockNotificationSenderMethods(false);
       const updatedNotificationSender = new MockAppleNotificationSender(false);
       notificationService = new ETANotificationScheduler(