[issue42400] Ubuntu tests hangs on test_ttk_guionly and test_heading_callback

[E. Paine]

E. Paine <paineelisha at gmail.com> added the comment:

Issue 42142 covers this problem. I want to get PR-23156 merged which will (until a better fix is found) skip tests on Ubuntu which use `wait_visibility`.

However, this is becoming more of an issue and I am worried now about the general stability of the tkinter graphical tests on the bots. For example, Victor reported issue 42370 which caused the Github Ubuntu action to fail due to a random ttk Spinbox problem.

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nosy: +epaine, vstinner

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42400>
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