Intermittent PASS in `/IndexedDB/transaction-scheduling-mixed-scopes.any.html`

```
 Stable unexpected results (1): 
  ▶ OK /IndexedDB/transaction-scheduling-mixed-scopes.any.html
  └   ▶ PASS [expected FAIL] Check that scope restrictions on mixed transactions are enforced.
```
https://github.com/servo/servo/actions/runs/22282847245/job/64456468197