Error from `mkdir` when running on Ubuntu build agents

[flcdrg]

The mkdir line is failing when running on Ubuntu agents because while on Windows, mkdir is a PowerShell alias to New-Item, on Linux it is not aliased and instead runs the native mkdir command.

eg.

[flcdrg]

I wondered why this didn't have any side effects... until today I tried to use test_results_path and everything is falling in a heap because the _TMP directory doesn't exist

[ebekker]

This is correct, the fix I made for this issue a little while back depends on this behavior (mkdir alias on Windows and native on Linux). With that change, the path error went away on Windows.

[flcdrg]

But with the current code, the action doesn't work if you pass in the test_results_path property, because that code path relies on that temporary directory existing

[flcdrg]

Here's what happens when you try and use test_results_path...