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Merged
annevk merged 1 commit into from
Apr 26, 2026
+5 −48

script: Remove check for zero request body length in `FetchLater`

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Merged

script: Remove check for zero request body length in FetchLater #58726

script: Remove check for zero request body length in `FetchLater`
e7fe72b
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Community-TC Integration / wpt-firefox-nightly-results succeeded Mar 24, 2026 in 7m 50s

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: 2026-03-24T21:02:52.785Z
Resolved: 2026-03-24T21:05:22.208Z
Task Execution Time: 2 minutes, 29 seconds, 423 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: fUtL8KgoT3Gr8yHHlTGB9w
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 2026-03-24 21:02:52.995Z] Task ID: fUtL8KgoT3Gr8yHHlTGB9w
[taskcluster 2026-03-24 21:02:52.995Z] Worker ID: 53449148794356772
[taskcluster 2026-03-24 21:02:52.995Z] Worker Group: us-east1-c
[taskcluster 2026-03-24 21:02:52.995Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-03-24 21:02:52.995Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-03-24 21:02:52.995Z] Worker Version: 46.1.0
[taskcluster 2026-03-24 21:02:52.995Z] Public IP: 34.138.38.11
[taskcluster 2026-03-24 21:02:52.995Z] Hostname: proj-wpt-ci-jhischnktkwwnx9wazp5kq

[taskcluster 2026-03-24 21:02:53.889Z] === 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

...(464 lines hidden)...

handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
ERROR /fetch/fetch-later/quota/cross-origin-iframe/empty-payload.https.window.html - Unhandled rejection: iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D9f00b966-c6b9-4efc-9d90-8eb735c5cc81&activateAfter=0&method=POST&bodyType=URLSearchParams&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20

 1:05.22 TEST_START: /fetch/fetch-later/quota/empty-payload.https.window.html
 1:05.23 INFO Closing window 19e862b2-066e-4e93-9204-7903441ada3f
 1:05.45 pid:1423 JavaScript error: https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js, line 237: ReferenceError: fetchLater is not defined
 1:05.45 pid:1423 JavaScript error: https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js, line 237: ReferenceError: fetchLater is not defined
 1:05.45 pid:1423 JavaScript error: https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js, line 237: ReferenceError: fetchLater is not defined
 1:05.45 pid:1423 JavaScript error: https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js, line 237: ReferenceError: fetchLater is not defined
 1:05.45 pid:1423 JavaScript error: https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js, line 237: ReferenceError: fetchLater is not defined
 1:05.45 pid:1423 JavaScript error: https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js, line 237: ReferenceError: fetchLater is not defined
 1:05.46 TEST_END: Test ERROR, expected OK. Subtests passed 6/9. Unexpected 3
FAIL fetchLater() accept a GET request. - fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:26:34
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:25:22
FAIL fetchLater() accept a DELETE request. - fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:26:34
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:25:22
FAIL fetchLater() accept a PUT request. - fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:26:34
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:25:22
ERROR /fetch/fetch-later/quota/empty-payload.https.window.html - Unhandled rejection: fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:18:21
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:17:22

 1:05.47 TEST_START: /fetch/fetch-later/quota/same-origin-iframe/empty-payload.https.window.html
 1:05.47 INFO Closing window b3b04095-1df1-455d-9c8f-f99a7a2e8ad7
 1:05.99 TEST_END: Test OK. Subtests passed 0/6. Unexpected 6
FAIL fetchLater() accepts an empty POST request body of String in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Dbc406cca-85f7-4f9a-917d-c1e6bc985df4&activateAfter=0&method=POST&bodyType=String&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
FAIL fetchLater() accepts an empty POST request body of ArrayBuffer in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Df7b9c070-fcdd-43a2-ae6d-3ce1c9e2a166&activateAfter=0&method=POST&bodyType=ArrayBuffer&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
FAIL fetchLater() accepts an empty POST request body of FormData in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D2f689985-abcc-4f3f-b7f6-a8b326627e55&activateAfter=0&method=POST&bodyType=FormData&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
FAIL fetchLater() accepts an empty POST request body of URLSearchParams in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D4d866ad3-eb0a-45df-a04d-8dce339a57eb&activateAfter=0&method=POST&bodyType=URLSearchParams&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
FAIL fetchLater() accepts an empty POST request body of Blob in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Df2ced09c-ef12-44ab-bd29-d3e72a2d06d4&activateAfter=0&method=POST&bodyType=Blob&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
FAIL fetchLater() accepts an empty POST request body of File in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D7bce2151-59ee-48f2-8cac-033d7b2c6db3&activateAfter=0&method=POST&bodyType=File&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20

 1:05.99 INFO No more tests
 1:06.00 pid:1423 1774386314394	Marionette	INFO	Stopped listening on port 35533
 1:06.67 INFO Browser exited with return code -15
 1:06.48 INFO Closing logging queue
 1:06.48 INFO queue closed
 1:06.69 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 24 checks (21 subtests, 3 tests)
Expected results: 7
Unexpected results: 17
  test: 2 (2 error)
  subtest: 15 (15 fail)

Error Summary
-------------
/fetch/fetch-later/quota/cross-origin-iframe/empty-payload.https.window.html
  FAIL fetchLater() accepts an empty POST request body of String in a default cross-origin iframe. - iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Dc9611fbd-1f9a-4829-b5cb-0395649a216e&activateAfter=0&method=POST&bodyType=String&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of ArrayBuffer in a default cross-origin iframe. - iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D1dc33915-fe26-45c6-bc0f-720999561114&activateAfter=0&method=POST&bodyType=ArrayBuffer&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of FormData in a default cross-origin iframe. - iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D716783ec-bcb9-49f3-8ab1-2feae8479c4a&activateAfter=0&method=POST&bodyType=FormData&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of URLSearchParams in a default cross-origin iframe. - iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D9f00b966-c6b9-4efc-9d90-8eb735c5cc81&activateAfter=0&method=POST&bodyType=URLSearchParams&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of Blob in a default cross-origin iframe. - iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D139dd025-4eb0-4544-a50e-079120a77d60&activateAfter=0&method=POST&bodyType=Blob&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of File in a default cross-origin iframe. - iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Db456c8a8-d274-4714-a1b8-4e2021663843&activateAfter=0&method=POST&bodyType=File&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  ERROR /fetch/fetch-later/quota/cross-origin-iframe/empty-payload.https.window.html - Unhandled rejection: iframe[src=https://not-web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D9f00b966-c6b9-4efc-9d90-8eb735c5cc81&activateAfter=0&method=POST&bodyType=URLSearchParams&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
/fetch/fetch-later/quota/empty-payload.https.window.html
  FAIL fetchLater() accept a GET request. - fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:26:34
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:25:22
  FAIL fetchLater() accept a DELETE request. - fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:26:34
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:25:22
  FAIL fetchLater() accept a PUT request. - fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:26:34
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:25:22
  ERROR /fetch/fetch-later/quota/empty-payload.https.window.html - Unhandled rejection: fetchLater is not defined
expectFetchLater@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:237:3
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:18:21
parallelPromiseTest/<@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:11:21
Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:2869:25
async_test@https://web-platform.test:8443/resources/testharness.js:681:34
parallelPromiseTest@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:10:13
@https://web-platform.test:8443/fetch/fetch-later/quota/empty-payload.https.window.js:17:22
/fetch/fetch-later/quota/same-origin-iframe/empty-payload.https.window.html
  FAIL fetchLater() accepts an empty POST request body of String in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Dbc406cca-85f7-4f9a-917d-c1e6bc985df4&activateAfter=0&method=POST&bodyType=String&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of ArrayBuffer in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Df7b9c070-fcdd-43a2-ae6d-3ce1c9e2a166&activateAfter=0&method=POST&bodyType=ArrayBuffer&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of FormData in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D2f689985-abcc-4f3f-b7f6-a8b326627e55&activateAfter=0&method=POST&bodyType=FormData&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of URLSearchParams in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D4d866ad3-eb0a-45df-a04d-8dce339a57eb&activateAfter=0&method=POST&bodyType=URLSearchParams&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of Blob in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253Df2ced09c-ef12-44ab-bd29-d3e72a2d06d4&activateAfter=0&method=POST&bodyType=Blob&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
  FAIL fetchLater() accepts an empty POST request body of File in same-origin iframe. - iframe[src=https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later.html?url=%252Ffetch%252Ffetch-later%252Fresources%252Fset_beacon.py%253Fuuid%253D7bce2151-59ee-48f2-8cac-033d7b2c6db3&activateAfter=0&method=POST&bodyType=File&bodySize=0] threw ReferenceError, expected no error
FetchLaterExpectationError@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:349:5
run@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:396:15
handler@https://web-platform.test:8443/fetch/fetch-later/resources/fetch-later-helper.js:506:20
 1:06.69 INFO Got 3 unexpected results, with 0 unexpected passes
 1:06.69 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:06.69 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:06.69 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:06.69 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:06.70 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:06.70 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:06.70 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:06.70 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:06.71 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:06.71 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:06.71 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:07.21 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:07.27 INFO Removed font: Ahem.ttf
 1:07.31 INFO Closing logging queue
 1:07.31 INFO queue closed
 1:07.31 INFO Tolerating 3 unexpected results
[taskcluster 2026-03-24 21:05:18.482Z] === Task Finished ===
[taskcluster 2026-03-24 21:05:19.616Z] Successful task run with exit code: 0 completed in 146.622 seconds
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