[Webkit-unassigned] [Bug 158993] imported/mathml-in-html5/mathml/presentation-markup/scripts/subsup-parameters-1.html is a flaky timeout

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=158993

Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jonlee at apple.com,
                   |                            |mmaxfield at apple.com
          Component|Tools / Tests               |Text

--- Comment #1 from Alexey Proskuryakov <ap at webkit.org> ---
No, not a harness error.

When the test fails, document.fonts.ready promise just never gets resolved:

  window.addEventListener("load", function() {
    document.fonts.ready.then(function() {
      //  This doesn't get called!
      window.setTimeout(runTests, 250);
    });
  });

My theory is that the promise never gets fulfilled if the fonts finish loading before onload, which sounds like an actual WebKit bug.

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