Prevent unlikely NoSuchElementException in continuous testing

[geoand]

Fixes: #17824

I was not able to reproduce the original issue consistently, but this should fix it nonetheless

[stuartwdouglas]

I think it might be better to push a new set in executionSkipped, so that the results are still updated, otherwise if a test is disabled while CT is active you will never update the old result.

[geoand]

I have been unable to reproduce the issue other than that one time I saw it, so I just blindly added that without knowing if it works or not :)

[quarkus-bot]

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