Implement TestUtils (#36301)

Implement the TestUtils namespace from
https://testutils.spec.whatwg.org/.
This should make the `js/builtins/weakrefs` tests run faster and more
consistently.

This change will enable other WPT tests but no tests exist currently for
TestUtils itself.
Fixes: #36290

---------

Signed-off-by: Sebastian C <sebsebmc@gmail.com>
Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
Co-authored-by: sagudev <16504129+sagudev@users.noreply.github.com>
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Sebastian C 2025-04-04 14:42:28 -05:00 committed by GitHub
parent 5a35e1faec
commit d93dad7f49
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9 changed files with 69 additions and 3 deletions

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
// https://testutils.spec.whatwg.org/
[Exposed=(Window,Worker), Pref="dom_testutils_enabled"]
namespace TestUtils {
[NewObject] Promise<undefined> gc();
};