1995912 - Get rid of tests under `testing/web-platform/editing` if they depend on the legacy DOM mutation events

Status: RESOLVED FIXED

(Core :: DOM: Editor, task)

Description

[Masayuki Nakano [:masayuki] (he/him)(JST, +0900)]

The original issue is here: https://github.com/web-platform-tests/wpt/issues/54682

Now, we can drop the tests to save the cost in CI of all browser vendors.

Comment 1

[Masayuki Nakano [:masayuki] (he/him)(JST, +0900)]

Attachment: Bug 1995912 - Get rid of editing tests which depend on the legacy DOM mutation events r=smaug!,#dom-core

All browsers have dropped supporting the legacy DOM mutation events and
there are some crash tests under testing/web-platform/tests/editing
because Gecko supported them even if the mutation is caused by the
builtin editor. I've already filed a spec issue for this [1].

This patch removes all tests which we added, however, there is only one
exception, that is insertAdjacentElement-with-DOMSubtreeModified.html.
Although it's not related to editing, but no body worked on moving it
into the proper directly (I filed an issue for this one year ago [2]).
Therefore, I leave it as-is but removing the DOMSubtreeModified event
listener because it seems that the listener triggers flushing pending
things. So, the other part may be still valuable for its author.

1. https://github.com/web-platform-tests/wpt/issues/54682
2. https://github.com/web-platform-tests/wpt/issues/48874

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/bb27cf413703
https://hg.mozilla.org/integration/autoland/rev/2b69d9067353
Get rid of editing tests which depend on the legacy DOM mutation events r=smaug,dom-core

Comment 3

[amarc]

https://hg.mozilla.org/mozilla-central/rev/2b69d9067353

Comment 4

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/55635 for changes under testing/web-platform/tests

Comment 5

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Upstream PR merged by moz-wptsync-bot