fix race condition in WebRTC tests

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 55.77%. Comparing base (d5a18bf) to head (12d9be2).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3204 +/- ## ========================================== + Coverage 55.75% 55.77% +0.01% ========================================== Files 154 154 Lines 16941 16941 ========================================== + Hits 9446 9448 +2 + Misses 6749 6747 -2 Partials 746 746 ```

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[github-actions[bot]]

This issue is mentioned in release v1.7.0 🚀 Check out the entire changelog by clicking here