Intermittent TIMEOUT in `/performance-timeline/not-restored-reasons/performance-navigation-timing-same-origin-replace.tentative.window.html`

```
  ▶ TIMEOUT [expected OK] /performance-timeline/not-restored-reasons/performance-navigation-timing-same-origin-replace.tentative.window.html
  │   ▶ TIMEOUT [expected FAIL] RemoteContextHelper navigation using BFCache
  └   └   → Test timed out
```