Bug 1836303 [wpt PR 40344] - [Fixit] Replace flaky JS test with a WPT equivalent...

Bug 1836303 [wpt PR 40344] - [Fixit] Replace flaky JS test with a WPT equivalent., a=testonly

Automatic update from web-platform-tests
[Fixit] Replace flaky JS test with a WPT equivalent.

Despite the scary comment declaring that this file is auto-generated, I
believe this is safe. The infrastructure to auto-generate this test
seems to exist [1], but this test does not seem to correspond to any
template used by said infrastructure [2].

[1] third_party/blink/web_tests/external/wpt/html/canvas/tools/gentest.py
[2] https://source.chromium.org/search?q=pattern.canvas.fillStyle&ss=chromium%2Fchromium%2Fsrc

Fixed: chromium:1446723
Change-Id: Ia4a5d006f86bc587729ae2238c53f90a6536434e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4580747
Auto-Submit: Titouan Rigoudy <titouan@chromium.org>
Reviewed-by: Jonathan Hao <phao@chromium.org>
Commit-Queue: Titouan Rigoudy <titouan@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1153791}

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wpt-commits: efc0313bc2f30eb9eebb4bd7e2c570010aca5073
wpt-pr: 40344