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[import-bytes] add initial tests for import bytes proposal#56938

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[import-bytes] add initial tests for import bytes proposal#56938
styfle wants to merge 2 commits into
web-platform-tests:masterfrom
styfle:styfle/import-bytes

add test for `connect-src`

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Community-TC Integration / wpt-firefox-nightly-results succeeded May 8, 2026 in 13m 26s

Community-TC (pull_request)

Collect results for all tests affected by a pull request in firefox.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2026-05-08T02:40:37.718Z
Resolved: 2026-05-08T02:44:23.951Z
Task Execution Time: 3 minutes, 46 seconds, 233 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: McVyjJAdQr605MFdR3Q9zA
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md
- public/results/wpt_report.json.gz
- public/results/wpt_screenshot.txt.gz

WPT Command: python3 ./wpt run --channel=nightly --no-fail-on-unexpected --log-wptreport=../artifacts/wpt_report.json --log-wptscreenshot=../artifacts/wpt_screenshot.txt --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --binary=/home/test/build/firefox/firefox firefox


[taskcluster 2026-05-08 02:40:37.789Z] Task ID: McVyjJAdQr605MFdR3Q9zA
[taskcluster 2026-05-08 02:40:37.789Z] Worker ID: 4422187181025560135
[taskcluster 2026-05-08 02:40:37.789Z] Worker Group: us-central1-a
[taskcluster 2026-05-08 02:40:37.789Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-05-08 02:40:37.789Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-05-08 02:40:37.789Z] Worker Version: 46.1.0
[taskcluster 2026-05-08 02:40:37.789Z] Public IP: 104.198.166.229
[taskcluster 2026-05-08 02:40:37.789Z] Hostname: proj-wpt-ci-lfczv107r5gmkywsz9puva

[taskcluster 2026-05-08 02:40:38.774Z] === Task Starting ===
+ '[' '' ']'
+ '[' -d /etc/profile.d ']'
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/01-locale-fix.sh ']'
+ . /etc/profile.d/01-locale-fix.sh
+++ /usr/bin/locale-check C.UTF-8
++ eval
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/apps-bin-path.sh ']'
+ . /etc/profile.d/apps-bin-path.sh

...(381 lines hidden)...

 1:10.83 mozversion INFO application_changeset: 21c1da0d83c2833f50fde0cd77ba3ea8be70eb9f
 1:10.83 mozversion INFO application_display_name: Firefox Nightly
 1:10.83 mozversion INFO application_id: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
 1:10.83 mozversion INFO application_name: Firefox
 1:10.83 mozversion INFO application_remotingname: firefox-nightly
 1:10.83 mozversion INFO application_repository: https://hg.mozilla.org/mozilla-central
 1:10.83 mozversion INFO application_vendor: Mozilla
 1:10.83 mozversion INFO application_version: 152.0a1
 1:10.83 mozversion INFO platform_buildid: 20260507083759
 1:10.83 mozversion INFO platform_changeset: 21c1da0d83c2833f50fde0cd77ba3ea8be70eb9f
 1:10.83 mozversion INFO platform_repository: https://hg.mozilla.org/mozilla-central
 1:10.83 mozversion INFO platform_version: 152.0a1
 1:21.70 INFO Installed font: Ahem.ttf
 1:22.82 wptserve INFO Starting http server on http://127.0.0.1:8002
 1:22.82 wptserve INFO Starting http server on http://127.0.0.1:8001
 1:22.88 wptserve INFO Starting http server on http://127.0.0.1:8000
 1:22.88 wptserve INFO Starting https server on https://127.0.0.1:8443
 1:22.89 wptserve INFO Starting https server on https://127.0.0.1:8446
 1:22.90 wptserve INFO Starting https server on https://127.0.0.1:8444
 1:22.90 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 1:22.90 wptserve INFO Starting http server on http://127.0.0.1:8003
 1:22.91 wptserve INFO Starting https server on https://127.0.0.1:8445
 1:22.92 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:22.92 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:22.92 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:22.92 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:22.93 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:22.93 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:23.04 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:23.27 SUITE_START: web-platform-test - running 11 tests
mem avail: 14227 of 15806 MiB (90.01%), swap free:    0 of    0 MiB ( 0.00%)
 1:42.45 INFO Using 1 child processes
 1:42.47 INFO Setting up ssl
 1:42.49 certutil Full command: /usr/bin/certutil -N -d /tmp/tmpm6a2879i.mozrunner -f /tmp/tmpm6a2879i.mozrunner/.crtdbpw
certutil b''
 1:42.51 certutil b''
 1:42.51 certutil b'\nCertificate Nickname                                         Trust Attributes\n                                                             SSL,S/MIME,JAR/XPI\n\nweb-platform-tests                                           CT,, \n'
 1:42.52 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmplfezjpmz
 1:42.53 INFO Starting runner
 1:42.54 pid:2051 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:2051 [2051] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 1:43.28 pid:2051 1778208220076	Marionette	INFO	Marionette enabled
 1:43.39 pid:2051 1778208220187	Marionette	INFO	Listening on port 40615
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 1:46.07 pid:2051 console.error: services.settings:
 1:46.07 pid:2051   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 1:46.07 pid:2051   Stack:
 1:46.07 pid:2051     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 1:46.07 pid:2051 list@resource://services-settings/Database.sys.mjs:96:13
 1:46.79 TEST_START: /content-security-policy/connect-src/connect-src-bytes-import-blocked.sub.html
 1:57.82 TEST_END: Test TIMEOUT, expected OK. Subtests passed 0/1. Unexpected 1
TIMEOUT Import with type bytes should be blocked by connect-src - Test timed outTIMEOUT /content-security-policy/connect-src/connect-src-bytes-import-blocked.sub.html
 1:57.82 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html
 1:57.82 INFO Closing window 3040caa3-b932-466e-9033-dd9603318f42
 1:57.98 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/utf-8.json: invalid module type
 1:57.98 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/windows-1250.json&ct=text/json%3Bcharset=windows-1250: invalid module type
 1:58.00 TEST_END: ERROR, expected OK - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/windows-1250.json&ct=text/json%3Bcharset=windows-1250: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html:0:1

 1:58.00 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/charset-bom.any.worker.html
 1:58.00 INFO Closing window 6d4289ac-dcf3-42df-9f58-ef12ade982ce
 1:58.28 TEST_END: Test OK. Subtests passed 0/3. Unexpected 3
FAIL UTF-8 BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-8.json: invalid module type"FAIL UTF-16BE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16be.json: invalid module type"FAIL UTF-16LE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16le.json: invalid module type"
 1:58.28 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/charset-bom.any.html
 1:58.28 INFO Closing window 33617d29-4fe5-4926-bcc0-41a991f69422
 1:58.67 TEST_END: Test OK. Subtests passed 0/3. Unexpected 3
FAIL UTF-8 BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-8.json: invalid module type"FAIL UTF-16BE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16be.json: invalid module type"FAIL UTF-16LE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16le.json: invalid module type"
 1:58.67 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/charset-bom.any.sharedworker.html
 1:58.68 INFO Closing window 3b633267-c0f1-44a5-bb5b-c6ad279fec4e
 1:59.08 TEST_END: Test OK. Subtests passed 0/3. Unexpected 3
FAIL UTF-8 BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-8.json: invalid module type"FAIL UTF-16BE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16be.json: invalid module type"FAIL UTF-16LE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16le.json: invalid module type"
 1:59.08 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/charset.html
 1:59.09 INFO Closing window 65094029-7161-461f-8c28-830806ec5371
 1:59.32 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/utf-8.json&ct=text/json%3Bcharset=utf-8: invalid module type
 1:59.33 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/utf-8.json&ct=text/json%3Bcharset=shift-jis: invalid module type
 1:59.33 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/utf-8.json&ct=text/json%3Bcharset=windows-1252: invalid module type
 1:59.33 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/utf-8.json&ct=text/json%3Bcharset=utf-7: invalid module type
 1:59.33 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/windows-1250.json&ct=text/json%3Bcharset=windows-1250: invalid module type
 1:59.35 TEST_END: ERROR, expected OK - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/windows-1250.json&ct=text/json%3Bcharset=windows-1250: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html:0:1

 1:59.35 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html
 1:59.35 INFO Closing window 7cffea5b-bb5d-40c7-8aa1-023639b04bce
 1:59.55 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=image/png: invalid module type
 1:59.55 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=application/octet-stream: invalid module type
 1:59.55 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=application/binary: invalid module type
 1:59.55 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=image/svg%2Bxml: invalid module type
 1:59.55 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=image/png;boundary=something: invalid module type
 1:59.55 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=text/html: invalid module type
 2:09.56 TEST_END: Test ERROR, expected OK. Subtests passed 0/6. Unexpected 6
NOTRUN image/pngNOTRUN application/octet-streamNOTRUN application/binaryNOTRUN image/svg+xmlNOTRUN image/png;boundary=somethingNOTRUN text/htmlERROR /html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=text/html: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html:0:1

 2:09.56 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/ignore-extension.any.worker.html
 2:09.56 INFO Closing window 196471fd-c388-470c-a414-d757394da6fb
 2:09.77 TEST_END: Test OK. Subtests passed 0/4. Unexpected 4
FAIL Extension: file - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file: invalid module type"FAIL Extension: file.bin - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.bin: invalid module type"FAIL Extension: file.js - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.js: invalid module type"FAIL Extension: file.txt - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.txt: invalid module type"
 2:09.78 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/ignore-extension.any.html
 2:09.78 INFO Closing window aa6f8b7b-bb9e-4246-b079-4713518bcacc
 2:10.07 TEST_END: Test OK. Subtests passed 0/4. Unexpected 4
FAIL Extension: file - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file: invalid module type"FAIL Extension: file.bin - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.bin: invalid module type"FAIL Extension: file.js - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.js: invalid module type"FAIL Extension: file.txt - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.txt: invalid module type"
 2:10.07 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/ignore-extension.any.sharedworker.html
 2:10.08 INFO Closing window b0c2e848-d322-468e-a7aa-8e7f20804134
 2:10.47 TEST_END: Test OK. Subtests passed 0/4. Unexpected 4
FAIL Extension: file - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file: invalid module type"FAIL Extension: file.bin - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.bin: invalid module type"FAIL Extension: file.js - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.js: invalid module type"FAIL Extension: file.txt - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.txt: invalid module type"
 2:10.47 TEST_START: /html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html
 2:10.47 INFO Closing window c2fcf1c8-3a50-41d8-9463-0c5bab65789d
 2:10.80 pid:2051 JavaScript error: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html, line 0: TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/image.png: invalid module type
 2:20.83 TEST_END: Test ERROR, expected OK. Subtests passed 0/1. Unexpected 1
NOTRUN Bytes modulesERROR /html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/image.png: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html:0:1

 2:20.83 INFO No more tests
 2:20.83 pid:2051 1778208257620	Marionette	INFO	Stopped listening on port 40615
 2:21.37 INFO Browser exited with return code 0
 2:21.15 INFO Closing logging queue
 2:21.15 INFO queue closed
 2:21.38 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 40 checks (29 subtests, 11 tests)
Expected results: 6
Unexpected results: 34
  test: 5 (4 error, 1 timeout)
  subtest: 29 (21 fail, 7 notrun, 1 timeout)

Error Summary
-------------
/content-security-policy/connect-src/connect-src-bytes-import-blocked.sub.html
  TIMEOUT Import with type bytes should be blocked by connect-src - Test timed out
  TIMEOUT /content-security-policy/connect-src/connect-src-bytes-import-blocked.sub.html
/html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html
  ERROR /html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/windows-1250.json&ct=text/json%3Bcharset=windows-1250: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset-1250.html:0:1
/html/semantics/scripting-1/the-script-element/bytes-module/charset-bom.any.worker.html
  FAIL UTF-8 BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-8.json: invalid module type"
  FAIL UTF-16BE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16be.json: invalid module type"
  FAIL UTF-16LE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16le.json: invalid module type"
/html/semantics/scripting-1/the-script-element/bytes-module/charset-bom.any.html
  FAIL UTF-8 BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-8.json: invalid module type"
  FAIL UTF-16BE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16be.json: invalid module type"
  FAIL UTF-16LE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16le.json: invalid module type"
/html/semantics/scripting-1/the-script-element/bytes-module/charset-bom.any.sharedworker.html
  FAIL UTF-8 BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-8.json: invalid module type"
  FAIL UTF-16BE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16be.json: invalid module type"
  FAIL UTF-16LE BOM should be ignored when importing bytes - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/bom-utf-16le.json: invalid module type"
/html/semantics/scripting-1/the-script-element/bytes-module/charset.html
  ERROR /html/semantics/scripting-1/the-script-element/bytes-module/charset.html - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/windows-1250.json&ct=text/json%3Bcharset=windows-1250: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/charset.html:0:1
/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html
  NOTRUN image/png
  NOTRUN application/octet-stream
  NOTRUN application/binary
  NOTRUN image/svg+xml
  NOTRUN image/png;boundary=something
  NOTRUN text/html
  ERROR /html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/serve-with-content-type.py?fn=bytes-module/image.png&ct=text/html: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/ignore-content-type.html:0:1
/html/semantics/scripting-1/the-script-element/bytes-module/ignore-extension.any.worker.html
  FAIL Extension: file - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file: invalid module type"
  FAIL Extension: file.bin - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.bin: invalid module type"
  FAIL Extension: file.js - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.js: invalid module type"
  FAIL Extension: file.txt - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.txt: invalid module type"
/html/semantics/scripting-1/the-script-element/bytes-module/ignore-extension.any.html
  FAIL Extension: file - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file: invalid module type"
  FAIL Extension: file.bin - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.bin: invalid module type"
  FAIL Extension: file.js - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.js: invalid module type"
  FAIL Extension: file.txt - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.txt: invalid module type"
/html/semantics/scripting-1/the-script-element/bytes-module/ignore-extension.any.sharedworker.html
  FAIL Extension: file - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file: invalid module type"
  FAIL Extension: file.bin - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.bin: invalid module type"
  FAIL Extension: file.js - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.js: invalid module type"
  FAIL Extension: file.txt - promise_test: Unhandled rejection with value: object "TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/file.txt: invalid module type"
/html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html
  NOTRUN Bytes modules
  ERROR /html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html - TypeError: http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/image.png: invalid module type
http://web-platform.test:8000/html/semantics/scripting-1/the-script-element/bytes-module/sync-module.html:0:1
 2:21.38 INFO Got 11 unexpected results, with 0 unexpected passes
 2:21.39 wptserve INFO Stopped http server on 127.0.0.1:8002
 2:21.39 wptserve INFO Stopped http server on 127.0.0.1:8003
 2:21.39 wptserve INFO Stopped http server on 127.0.0.1:8001
 2:21.39 wptserve INFO Stopped http server on 127.0.0.1:8443
 2:21.39 wptserve INFO Stopped http server on 127.0.0.1:8000
 2:21.40 wptserve INFO Stopped http server on 127.0.0.1:8445
 2:21.40 wptserve INFO Stopped http server on 127.0.0.1:8444
 2:21.40 wptserve INFO Stopped http server on 127.0.0.1:9000
 2:21.40 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 2:21.40 wptserve INFO Stopped http server on 127.0.0.1:8446
 2:21.84 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 2:21.84 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 2:21.89 INFO Removed font: Ahem.ttf
 2:21.92 INFO Closing logging queue
 2:21.92 INFO queue closed
 2:21.92 INFO Tolerating 11 unexpected results
[taskcluster 2026-05-08 02:44:21.810Z] === Task Finished ===
[taskcluster 2026-05-08 02:44:23.041Z] Successful task run with exit code: 0 completed in 225.253 seconds