Though this patch has landed on mozilla-central, I have added a "blocks" for context as the Github PR https://github.com/web-platform-tests/wpt/pull/17494 cannot merge upstream until the blocking bug is complete.
Bug 1555014 Comment 7 Edit History
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Though this patch has landed on mozilla-central, I have added a "depends on" for context as the Github PR https://github.com/web-platform-tests/wpt/pull/17494 cannot merge upstream until the blocking bug is complete.