gh-105310: add decorator to skip rerunning tests

[sunmy2019]

Personally, I am not satisfied with the test case added in test_support.py, but I can not figure out something better.

• Issue: Allow test cases to skip rerun #105310

[bedevere-bot]

A Python core developer has requested some changes be made to your pull request before we can consider merging it. If you could please address their requests along with any other requests in other reviews from core developers that would be appreciated.

Once you have made the requested changes, please leave a comment on this pull request containing the phrase I have made the requested changes; please review again. I will then notify any core developers who have left a review that you're ready for them to take another look at this pull request.

[sunmy2019]

I have made the requested changes; please review again

I think we need news for this one, right?

[bedevere-bot]

Thanks for making the requested changes!

@erlend-aasland: please review the changes made to this pull request.

[erlend-aasland]

I think we need news for this one, right?

Well, test changes rarely get their own NEWS items. Personally, I would not bother with it. Related: also note that a lot of the test.support methods intentionally lack docs.

[sunmy2019]

Closed. See #104796 (comment)