We probably allocate random port number. During CI `Microsoft.Playwright.PlaywrightException : net::ERR_UNSAFE_PORT at http://localhost:5061/` [Log](https://helixre107v0xdeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-pull-72275-merge-ffa6da6bb5f9444697/Workloads-.WasmTemplateTests/1/console.cd39eae8.log?helixlogtype=result) More info chrome - https://superuser.com/questions/188006/how-to-fix-err-unsafe-port-error-on-chrome-when-browsing-to-unsafe-ports FF - https://www-archive.mozilla.org/projects/netlib/portbanning#portlist