[test] Fix failing test_browser in edge #16688
Merged
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Closes #16683
Replaces
sinon#useFakeTimers
with async utilities from@testing-library/react
.It already timed out just by calling
useFakeTimers
in beforeEach and restoring it in afterEach.I suspect it has to do with
performance.now
usage inMenu
. It's not as a meaningful of a test as before but it's better than not testing at all. We can't guarentee exact timings in actual applications anyway.