[Gecko Bug 2009082] Add web-platform reftests for appending element into containers that have pseudo-elements. #57076
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…have pseudo-elements. - multicol-dynamic-add-002.html is adapted from bug 1645714 comment 0. - multicol-dynamic-add-003.html is adapted from bug 1645714 comment 6. - multicol-dynamic-add-004.html is adapted from bug 1645714 comment 7. Note: multicol-dynamic-add-004.html (inserting float element) still crashes when running on CI. Differential Revision: https://phabricator.services.mozilla.com/D278219 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=2009082 gecko-commit: db367695a2b8cd315430b3fc1f5330839b0e4fe4 gecko-reviewers: emilio, layout-reviewers
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Note: multicol-dynamic-add-004.html (inserting float element) still crashes when
running on CI.
Differential Revision: https://phabricator.services.mozilla.com/D278219
bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=2009082
gecko-commit: db367695a2b8cd315430b3fc1f5330839b0e4fe4
gecko-reviewers: emilio, layout-reviewers