Test failure: baseservices/exceptions/unhandled/unhandledTester/unhandledTester.cmd

[v-wenyuxu]

Failed in: runtime-coreclr gcstress0x3-gcstress0xc 20250223.1

Failed tests:

coreclr windows arm64 Checked gcstress0x3 @ Windows.11.Arm64.Open
    - baseservices/exceptions/unhandled/unhandledTester/unhandledTester.cmd

Error message:

 Test Infrastructure Failure: System.InvalidOperationException: Process has exited, so the requested information is not available.
   at System.Diagnostics.Process.EnsureState(State state) in /_/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.cs:line 987
   at System.Diagnostics.Process.get_ProcessName() in /_/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Windows.cs:line 913
   at CoreclrTestLib.CoreclrTestWrapperLib.FindChildProcessesByName(Process process, String childName)
   at CoreclrTestLib.CoreclrTestWrapperLib.RunTest(String executable, String outputFile, String errorFile, String category, String testBinaryBase, String outputDir)
   at TestLibrary.OutOfProcessTest.RunOutOfProcessTest(String assemblyPath, String testPathPrefix)

Stack trace:

   at Xunit.Assert.Fail(String message) in /_/src/Microsoft.DotNet.XUnitAssert/src/FailAsserts.cs:line 38
   at TestLibrary.OutOfProcessTest.RunOutOfProcessTest(String assemblyPath, String testPathPrefix)
   at Program.<<Main>$>g__TestExecutor139|0_140(StreamWriter tempLogSw, StreamWriter statsCsvSw, <>c__DisplayClass0_0&)

[jkotas]

Looks like a bug in CoreclrTestLib.CoreclrTestWrapperLib.FindChildProcessesByName

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