curl -L https://aka.ms/get-xharness | bash -

2026-03-12T19:59:27.9589770Z Tool 'microsoft.dotnet.xharness.cli' failed to update due to the following:
2026-03-12T19:59:27.9590390Z The settings file in the tool's NuGet package is invalid: Settings file 'DotnetToolSettings.xml' was not found in the package.
2026-03-12T19:59:27.9590910Z Tool 'microsoft.dotnet.xharness.cli' failed to install. Contact the tool author for assistance.

This is used by macos-simulator Helix artifact.