Intermittent PASS in `/IndexedDB/idbrequest-onupgradeneeded.any.worker.html`

https://github.com/servo/servo/actions/runs/17264962075/job/48995858721
```

Stable unexpected results (1): 
  ▶ TIMEOUT /IndexedDB/idbrequest-onupgradeneeded.any.worker.html
  └   ▶ PASS [expected FAIL] indexedDB.delete called from upgradeneeded handler
```