Description

If you pass in RunSettings via the CLI, the parser crashes.

Steps to reproduce

What steps can reproduce the defect?
Please share the setup, commandline for vstest.console, sample project, target
framework etc.

C:\git\runtime3\artifacts\bin\System.Text.RegularExpressions.Tests\netcoreapp5.0-Debug>  "C:\git\runtime3\.dotnet\dotnet" test System.Text.RegularExpressions.Tests.dll --logger "xunit;LogFilePath=testResults.xml" --platform x64 --parallel --filter "(category!=OuterLoop&category!=failing&category!=nonnetcoreapptests&category!=nonwindowstests)"  --  RunConfiguration.DisableAppDomain=true

Expected behavior

Share the expected output

Starting test execution, please wait...

Actual behavior

What is the behavior observed?

Test invocation runs successfully.

Diagnostic logs

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The logs may contain test assembly paths, kindly review and mask those before sharing.

Environment

Please share additional details about the test environment.
Operating system, Build version of vstest.console

Microsoft (R) Test Execution Command Line Tool Version 16.6.0-preview-20200310-03
SDK: 5.0.100-preview.2.20163.4

cc @nohwnd