WPT import https://crrev.com/c/1347026 introduced new failures in external/wpt/streams:

List of new failures:
external/wpt/streams/readable-byte-streams/constructor.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/constructor.any-expected.txt
external/wpt/streams/piping/pipe-through.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/pipe-through.any.worker-expected.txt
external/wpt/streams/piping/pipe-through.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/pipe-through.any-expected.txt
external/wpt/streams/readable-byte-streams/general.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/general.any.sharedworker-expected.txt
external/wpt/streams/piping/abort.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/abort.any.worker-expected.txt
external/wpt/streams/readable-byte-streams/general.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/general.any-expected.txt
external/wpt/streams/readable-byte-streams/construct-byob-request.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/construct-byob-request.any.worker-expected.txt
external/wpt/streams/readable-streams/general.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-streams/general.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/constructor.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/constructor.any.sharedworker-expected.txt
external/wpt/streams/readable-byte-streams/constructor.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/constructor.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/detached-buffers.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/detached-buffers.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/properties.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/properties.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/properties.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/properties.any-expected.txt
external/wpt/streams/piping/abort.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/abort.any-expected.txt
external/wpt/streams/piping/pipe-through.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/pipe-through.any.sharedworker-expected.txt
external/wpt/streams/readable-streams/general.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-streams/general.any.worker-expected.txt
external/wpt/streams/readable-streams/general.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-streams/general.any-expected.txt
external/wpt/streams/readable-byte-streams/detached-buffers.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/detached-buffers.any-expected.txt
external/wpt/streams/readable-byte-streams/construct-byob-request.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/construct-byob-request.any.sharedworker-expected.txt
external/wpt/streams/readable-byte-streams/brand-checks.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/brand-checks.any-expected.txt
external/wpt/streams/piping/abort.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/abort.any.sharedworker-expected.txt
external/wpt/streams/readable-streams/general.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-streams/general.any.sharedworker-expected.txt
external/wpt/streams/readable-byte-streams/general.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/general.any.worker-expected.txt
external/wpt/streams/readable-byte-streams/brand-checks.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/brand-checks.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/detached-buffers.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/detached-buffers.any.worker-expected.txt
external/wpt/streams/piping/pipe-through.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/pipe-through.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/general.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/general.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/constructor.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/constructor.any.worker-expected.txt
external/wpt/streams/readable-byte-streams/detached-buffers.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/detached-buffers.any.sharedworker-expected.txt
external/wpt/streams/readable-byte-streams/brand-checks.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/brand-checks.any.sharedworker-expected.txt
external/wpt/streams/piping/abort.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/piping/abort.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/properties.any.sharedworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/properties.any.sharedworker-expected.txt
external/wpt/streams/readable-byte-streams/construct-byob-request.any.serviceworker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/construct-byob-request.any.serviceworker-expected.txt
external/wpt/streams/readable-byte-streams/properties.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/properties.any.worker-expected.txt
external/wpt/streams/readable-byte-streams/brand-checks.any.worker.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/brand-checks.any.worker-expected.txt
external/wpt/streams/readable-byte-streams/construct-byob-request.any.html new failing tests: https://crrev.com/c/1347026/4/third_party/WebKit/LayoutTests/external/wpt/streams/readable-byte-streams/construct-byob-request.any-expected.txt

This import contains upstream changes from d65f24c346dff3b5dce2983b413805b97c223417 to a89730a0f3638d709ccc42064c8f8eb8935b04f7:
[streams] Refactor to multi-global test format (#14172): https://github.com/web-platform-tests/wpt/commit/a89730a0f3638d709ccc42064c8f8eb8935b04f7 [affecting this directory]
Add a list of BackgroundFetchRecord objects to BackgroundFetchRegistration.: https://github.com/web-platform-tests/wpt/commit/12720fdc8914deec3e7cc627036a26217cc1e908
Make ReadableStream extendable: https://github.com/web-platform-tests/wpt/commit/a51c2df43ad4491d9a778f0f93e83b596fe47c2b [affecting this directory]
Worker: Add [Replaceable] to SharedWorkerGlobalScope.name: https://github.com/web-platform-tests/wpt/commit/76781be440f9f54acd0c8edc48dc423d727b4bba
Expose all constants on SVGFEBlendElement: https://github.com/web-platform-tests/wpt/commit/21705cd7f9e2319c8e0bdb7f315f4217707fbe76