WPT import https://crrev.com/c/1136861 introduced new failures in external/wpt/css/css-text:

List of new failures:
external/wpt/css/css-text/white-space/break-spaces-003.html [ Failure ]
external/wpt/css/css-text/white-space/textarea-break-spaces-001.html [ Failure ]
external/wpt/css/css-text/white-space/textarea-break-spaces-003.html [ Failure ]

This import contains upstream changes from 09b1e552b10c3d0614148b24e40de6c007848bfa to 8c497bd26ebfbd719dfcc580bc945e4e4cf6bce0:
Reland "Correctly initialize and test SnapContainerData in cc.": https://github.com/web-platform-tests/wpt/commit/8c497bd26ebfbd719dfcc580bc945e4e4cf6bce0 [affecting this directory]
[wdspec] Refactor "session" fixture for clean-up steps.: https://github.com/web-platform-tests/wpt/commit/d278e32349334132a8a25d7434bde48c8443f814
[wdspec] Move "add_browser_capabilities" fixture under "new_session".: https://github.com/web-platform-tests/wpt/commit/82cb91e6fe2185ea12d2967e9144e8b60260a853
[wdspec] Always use the "create_dialog" and "create_window" fixtures.: https://github.com/web-platform-tests/wpt/commit/758b4caed6fdf6f61fe3b3df035c7e56843de023
[wdspec] Allow parametrization of "session" fixture and remove global "new_session" fixture.: https://github.com/web-platform-tests/wpt/commit/e03974145badc8fbf070857d9cac2806f257a9f5
[wdspec] Have "New Session" tests use a shared command fixture.: https://github.com/web-platform-tests/wpt/commit/6edbe7010e2424dc22909871226c493fd60c74b3
[wdspec] Add global "current_session" fixture.: https://github.com/web-platform-tests/wpt/commit/3c8b77795b704e3c75fbd8e9c17590acf0d9dea5
Revert "Reland "Correctly initialize and test SnapContainerData in cc."": https://github.com/web-platform-tests/wpt/commit/f4f52bf558ed539b50ed3d40187683b58fd00a38 [affecting this directory]
Merge pull request #11926 from javifernandez/rename-break-spaces-tests: https://github.com/web-platform-tests/wpt/commit/e5dee45d6b94e52b4445d2b3a26f3ef775b740d4
Reland "Correctly initialize and test SnapContainerData in cc.": https://github.com/web-platform-tests/wpt/commit/7b9c0db081fc56c7d3b1ab5cd729172a04ace21c [affecting this directory]
[marionette][wdspec] Make Element Send Keys fire change event for <input type=file>.: https://github.com/web-platform-tests/wpt/commit/872e94436da7ffffe9c252de5aed5245c62c4c2a
[marionette][wdspec] Make Element Send Keys wdspec conforming for file uploads.: https://github.com/web-platform-tests/wpt/commit/aa28acbb7ce6f865b7965ba1c0a4e3c65a59004e
[wdspec] Create global fixture and assert methods for event checks.: https://github.com/web-platform-tests/wpt/commit/703130275e527e389483bdfa20ff9cad4c692a65
[wdspec] Add basic tests and user prompt tests for Element Send Keys.: https://github.com/web-platform-tests/wpt/commit/e15323261a02d893f8bd8ad7b8790a7ef6a83916
[wdclient] Fix Element.clear() for unknown "url" property.: https://github.com/web-platform-tests/wpt/commit/8361199a9c3aa4143ddda71d1af6848ffa3b8eb7
Rename 'white-space' tests about the 'break-spaces' value instead of 'pre-wrap': https://github.com/web-platform-tests/wpt/commit/859025705920978d4cfbe7879195d03612c5d41f [affecting this directory]