Bug: Bug: FileInfoWrapper_Tests.OpenRead opens the repository's own TaskMaster.sln

[drmoisan]

• Work Mode: full-bug

Summary

FileInfoWrapper_Tests.OpenRead_... opens TaskMaster.sln - the repository's own solution file -
as its test fixture.

That file is not inert. Resident MSBuild node-reuse worker processes hold solution and project files
open between builds, so the test's outcome depends on whether a build ran recently, whether node
reuse is enabled, and how long those workers linger. None of that is under the test's control.

Environment

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Steps to Reproduce

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Expected Behavior

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Actual Behavior

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Logs / Screenshots

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Impact / Severity

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Source

From: docs/features/potential/2026-09-17-fileinfowrapper-test-opens-repository-own-solution-file.md

[drmoisan]

Consolidated into #931 with #905, same root cause. Verified still present at FileInfoWrapper_Tests.cs:56-62,340-352. Note that the fix must not use a temporary file (unit-test policy). Closing in favour of #931.