WPT import https://crrev.com/c/1371217 introduced new failures in external/wpt/infrastructure:

List of new failures:
external/wpt/infrastructure/testdriver/file_upload.sub.html [ Skip ]

This import contains upstream changes from b513fa99f7a856a06e709155572d738038710ae7 to 912d5081b62d6e6a2f847935c82722e31cca7a1f:
Add a test for dealing with multiple image loading tasks when the list of available images is usable.: https://github.com/web-platform-tests/wpt/commit/912d5081b62d6e6a2f847935c82722e31cca7a1f
[ScrollTimeline] Upstream root scroller currentTime test to WPT: https://github.com/web-platform-tests/wpt/commit/e4a221e6c4aead59a34a234a9a3b1d7d161b98af
[WebCryptoAPI] Remove race condition (#14291): https://github.com/web-platform-tests/wpt/commit/8eab58f51c93f0075f4cc5e8e6d5b4fb2c4c4919
Add WPT tests for correct parsing of msid: https://github.com/web-platform-tests/wpt/commit/ee999c28bd5270c4f635af9c2be6517e239e2285
[ScrollTimeline] Upstream NaN currentTime tests to WPT: https://github.com/web-platform-tests/wpt/commit/e17759149f69ca0b30812958ea497ff8e5cae846
[ChromeDriver] Make some mouse web platform tests work on wpt serve (#14304): https://github.com/web-platform-tests/wpt/commit/9ed4d9bc9ce7279535676a79f276c09d259604f9
[ScrollTimeline] Upstream writing-mode currentTime tests to WPT: https://github.com/web-platform-tests/wpt/commit/26390b30cfe038bda7230e21c15e70cebb1f3f2d
Revert "Create RTCDtlsTransport objects in the blink layer": https://github.com/web-platform-tests/wpt/commit/8832bccc8f20a3788fb0131363f690c54d433aaa
rel=noopener implicit for target=_blank in anchor and area elements when no rel attribute is set - WPT: https://github.com/web-platform-tests/wpt/commit/eedce7c9edb57fe100f11b5f8433bb3442cd7faf
Reland "Find manifest for download by tags instead of commits": https://github.com/web-platform-tests/wpt/commit/94ac45d352cddb9938cdd7bf56d3db652041217e
Add muted error tests for redirected scripts: https://github.com/web-platform-tests/wpt/commit/18bb80e6e1254b36db6467fdd1aa1e9e7748bb58
Treat more "no-cors" image loads as cross-origin: https://github.com/web-platform-tests/wpt/commit/b9825de9a6a4e320ee21d74c24e5995b0adb1851
Don't estimate the top of bottom-aligned OOFs as bottom.: https://github.com/web-platform-tests/wpt/commit/97a0309c70736bfef4258336f63ae216e294d8d3
Use wpt run --affected on Taskcluster: https://github.com/web-platform-tests/wpt/commit/503a7143f0bd8b719e8ef62d12530b6390d0241d
Implement --affected as a flag of `wpt run`: https://github.com/web-platform-tests/wpt/commit/837e5b708b3dc1ef4c652de3c7c2fa00efcb37b6
Create RTCDtlsTransport objects in the blink layer: https://github.com/web-platform-tests/wpt/commit/acc3783400742c9400b6ca7c732c97327b3a7da2
Make sure that Actions.perform is always passed a list (#14345): https://github.com/web-platform-tests/wpt/commit/a4bbfb3022fefbf65e90ccf2a4bc32f2fe9ef659 [affecting this directory]
Updated hyper so that it uses the third_party/h2 instead of its own version of h2: https://github.com/web-platform-tests/wpt/commit/a00b58d0cb7fc1b41e7132dacee59bf31feeba3b
Remove test-level assert property from tests (#14409): https://github.com/web-platform-tests/wpt/commit/9f2b7133fad56c10db0a1be4b456962918940f9a
CSS: Migrate css-shadow-parts tests to wpt.: https://github.com/web-platform-tests/wpt/commit/226f3b50a6b97f30196a6625d70ee79437a60635
Add tests for clicking the child of a button element (#14426): https://github.com/web-platform-tests/wpt/commit/8c0f2bd4f88560d0f871e457ea220ce14c492755
Fix / update tests.: https://github.com/web-platform-tests/wpt/commit/2d5385793ade85b7268ee86db4535a1baeb508ab
Kill test processes whenever any error occurs: https://github.com/web-platform-tests/wpt/commit/86c56c1db8a96b32077f71ffdd99e8ac884f0f1a
Update interfaces/webxr.idl (#14425): https://github.com/web-platform-tests/wpt/commit/5349c6a6327372f856ecbe07d863d468a4236726
Add an infrastructure/ test to demonstrate file upload: https://github.com/web-platform-tests/wpt/commit/ed68c260a90dae67b3a0781875e9e82473af95f8 [affecting this directory]
Add a wptserve substitution to get a path relative to the current document: https://github.com/web-platform-tests/wpt/commit/cb2ee82c44104f8a3fb7752a901050dad28ab6d8
Ensure that file uploads work in Firefox: https://github.com/web-platform-tests/wpt/commit/ba8f073039dfc9116339d13d3e2dcd6334ad3567
Fix secureConnectionStart when connection is reused: https://github.com/web-platform-tests/wpt/commit/6087baf4a83e7953112242be9fd6e719797ebdf6