Flaky test: MSBuildServer_Tests.MSBuildServerTest()

[AR-May]

Error:

Shouldly.ShouldAssertException : success\r\n    should be\r\nTrue\r\n    but was\r\nFalse

Stack trace:

   at Microsoft.Build.Engine.UnitTests.MSBuildServer_Tests.MSBuildServerTest() in /home/vsts/work/1/s/src/MSBuild.UnitTests/MSBuildServer_Tests.cs:line 97
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
   at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

CI run: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1076937&view=ms.vss-test-web.build-test-results-tab

[SimaTian]

The Pipeline run isn't available anymore. Do we have any other repro at hand?

[baronfel]

The test is still enabled, and hasn't been flaky for a bit. We'll close this and open a new issue if it reappears.