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Editorial Team
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Asked: 2026-05-27T06:50:38+00:00

I recently run into problems when running all my unit tests at once. I

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I recently run into problems when running all my unit tests at once.

I can debug them and run my tests seperate without problems, but when running them all together, the test-run keeps hanging half way through.

This happens:

  1. “Run all tests in Solution”
  2. The first tests parses without problem (slower then usual though)
  3. At some point it gets stuck. Nothing fails, no exceptions, VS just stops running the pending tests.
  4. When stopping the test-run it gets stuck again, and I need to restart VS to abort the test-run.

Normally I would expect a bug in my code, but I haven’t made any changes to the code beeing testet since last succesful test-run. The only thing I did was run Performance Wizard – Cuncurrency profiling.

It always stops the same place, when removing some tests from the run it stops a new place (still without actually entering any leftover tests).

I have no clue what is causing this. But seems like I’m having problem with a VS setting rather then a code Error.

Any suggestions? Do Performance Wizard change any settings that might have influenced the way test should be run?

System details:
Windows 7 Ultimate 64-bit,
Visual Studio 10 Premium

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1 Answer

  1. Editorial Team

    I can’t really explain why this works, but it solved the problem!

    I reversed the ‘.csproj’ file to an earlier version, in one of the projects that had been in ‘contact’ with the Performance Wizard, and now my tests works.

    ALSO Be aware of that Performance Wizard can change the solution configurations from ‘DEBUG’ to ‘RELEASE’ mode in some cases. This was not the case for me, but have been a pain for some of my colleagues.

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