[Testing] Template tests xharness issues

[PureWeen]

Description

#20395 solved a number of issues getting our uitests and device tests back to working successfully with xharness. We need to get those changes copied over to our template tests to benefit from the same enhancements.

[ghost]

We've added this issue to our backlog, and we will work to address it as time and resources allow. If you have any additional information or questions about this issue, please leave a comment. For additional info about issue management, please read our Triage Process.

[ivanpovazan]

Examples of a failure:

• https://dev.azure.com/xamarin/public/_build/results?buildId=108451&view=logs&s=6ce83ee1-284e-53a3-5e1f-512e684894b4&j=5577a1a6-5922-5c8f-f8aa-3ff6c6e2bbde
• https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=9111234&view=ms.vss-test-web.build-test-results-tab

[ivanpovazan]

@rmarinho did #20817 fix this issues so we could close it?

[ivanpovazan]

Closing as fixed by: #20817