Phantom Test Slot Preventing Suite Completion

ophelia — Thu, 09 Jul 2026 17:21:54 -0000

Hi all,

I'm working with a CODESYS 3.5 unit test framework on an embedded Linux PLC and running into an issue where a phantom test slot appears in the results that never completes, preventing the full test suite from ever finishing.

The symptom:
A blank-named test entry appears in the results table with an ever-increasing action count. It stays as "Testing" or "Failing" indefinitely. Because it never closes, bAllFinished never goes TRUE and the final report is never generated.

Question:

Has anyone seen this kind of phantom slot issue in a CODESYS unit testing setup?

Thanks

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Phantom Test Slot Preventing Suite Completion