Running tests never finishes, should timeout?

[connor4312]

From @meganrogge in https://github.com/microsoft/vscode-copilot/issues/13600, seems like tests were sometimes timing out and not running.

[1ofakind19849-max]

From @meganrogge in https://github.com/microsoft/vscode-copilot/issues/13600, seems like tests were sometimes timing out and not running.

Duplicate of #75