i.e see bug 28154#101 https://bugs.mageia.org/show_bug.cgi?id=28154#c101 But it is known already from years before to sometimes be flaky.
(In reply to Morgan Leijström from c102 of original bug 28154) > For the graphics tool I have experienced it myself. > I now issued Bug 28314 (this one) > - Maybe remove the graphics testing function, it sometimes hurts... (In reply to ian trump from comment c103 of original bug 28154) > If this test function can be potentially disruptive as in my case here, then > I can see no viable way it can be objectively used and fit for purpose. Of course the video test may not work - that is normal within its context: 'might not work'. Is this not its raison d'être? It mostly does, of course. If greater wisdom deems to drop it, so be it.
CC: (none) => lewyssmith
An intermediate way is to have a text in the interface saying that it may fail test, despite working after reboot.