[Firewall Test] Escape test failed

## Firewall Escape Test Failure

**Workflow Run:** https://github.com/github/gh-aw/actions/runs/31149984070

The firewall escape test detected an issue. Please review the workflow logs for details.

### Possible Issues
- A forbidden domain was accessible (firewall escape vulnerability)
- An allowed domain was blocked unexpectedly
- File operations failed

Start by reviewing the workflow logs for run 31149984070, since the issue does not identify a file or failing test assertion. Determine whether a forbidden domain was reachable, an allowed domain was blocked, or file operations failed, then verify the relevant firewall escape test passes without reproducing the failure.

Written by the indexing model from the issue text.