test(desktop): scope slash-menu mutation watch to the menu and read once - #3737
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test(desktop): scope slash-menu mutation watch to the menu and read once#3737yunaremaia wants to merge 1 commit into
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The watch armed on document.body with subtree:true for the whole poll window and counted any removed element containing a listbox or group, so an unrelated overlay unmounting within 3s reported the apache#2667 regression. Because the counter only increases, expect.poll could never retry into success - it added latency, not tolerance. Scope it to the guarded property instead: one observer on the listbox (subtree) catches a group torn down inside it, one on its parent catches the whole listbox being replaced. Disconnect after the refresh rounds settle and read the count once. Verified locally (xvfb): spec green 5/5 across six runs; an injected group teardown during the window still fails the test (removals=1), so the narrowing does not mute the regression it guards. Fixes apache#3727
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Summary
Implements the direction suggested in #3727 for the slash-command-menu flake:
document.bodywithsubtree: true. Overlays elsewhere in the document (toasts, tooltips, other popups) can no longer contribute removals to the counter.expect.pollon a monotonically increasing counter could never retry into success - it only added 3s of latency before failing.retries: 0) is untouched.Why this is safe
The guarded property (#2667) is "a same-content projection refresh must not tear down the skills group or the listbox". The new watch counts exactly two things during the refresh window: a
[role="group"]removed inside the menu, or the listbox element itself removed. Anything else was noise under the old predicate, which counted any removed element containing a listbox/group anywhere in the document.Verified locally under xvfb (Electron 43):
removals = 1- the narrowing does not mute the failure mode the test exists to catch.Note on artifacts
The trace/video artifacts from the five failing runs linked in the issue had already expired, so I could not diff them directly; the code-path analysis above is the basis for the window-scope reading.
Fixes #3727