Upstream WPT has a number of 3-second sleeps that don't seem to be needed (at least in WebKit). This slows down our CI system and makes life harder. This patch removes those arbitrary sleeps to improve testing throughput.
<rdar://problem/101444494>
Pull request: https://github.com/WebKit/WebKit/pull/5655
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/36605
Committed 255885@main (b726ba4505e4): <https://commits.webkit.org/255885@main> Reviewed commits have been landed. Closing PR #5655 and removing active labels.