test: notifications-e2e mit 60 s für den Aufbau (CI-Lauf 826)

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

ApiCore-Backend/test/notifications.e2e-spec.ts

@@ -91,7 +91,9 @@ describe('Notifications (e2e)', () => {
       ids[who] = user.id;
       tokens[who] = (await login(app, emails[who], password)).accessToken;
     }
-  });
+    // App start plus four bcrypt-12 logins exceeded the 20 s default on a
+    // busy CI runner (run 826).
+  }, 60_000);
 
   afterAll(async () => {
     const userIds = Object.values(ids);