[Webkit-unassigned] [Bug 218607] [GTK] [REGRESSSION(r269390) Several editing/ tests are flaky

Mon Nov 9 21:12:30 PST 2020

https://bugs.webkit.org/show_bug.cgi?id=218607

--- Comment #6 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
(In reply to Carlos Alberto Lopez Perez from comment #5)
> 
> So an hypothesis is that after r269390 one or more tests inside the folder
> editing/selection is leaving WTR in a inconsistent state that then causes
> failures on the rest of tests later executed in that WTR process.

It seems this is the case.

I have identified the test that causes this and is: editing/selection/expando.html

This test has on on the top of the file the following declaration

-<!DOCTYPE html><!-- webkit-test-runner [ LiveRangeSelectionEnabled=true ] -->

Which I understands it enables LiveRangeSelectionEnabled on WTR, and that seems
to be affecting the tests that run after it on that WTR process.

I checked to remove that "LiveRangeSelectionEnabled=true" part from this test and then I can not longer reproduce the issue (the other tests on this folder work as expected).

So the issue seems to be that WTR is not resetting anymore the internal web-preferences settings to the default values after finishing running a test or something like that

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