Can't run test in Azure with 17.6 latest VS test platform #4467

Description

Steps to reproduce

1. Azure Taskgroup is using latest stable VsTest installer
   
2. Run the test suite
3. It can't identify test scripts and can't run any automated test scripts and I had to cancel run after waiting for 30 mins

Expected behavior

Actual behavior

Can't identify tests and run is stuck until cancelled

Diagnostic logs

Working run with older version

Environment