Filed by: abutkovits [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=568534944&repo=autoland&task=fszQwJ6xRja_LsHNSMZTcw.0
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fszQwJ6xRja_LsHNSMZTcw/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/default/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fszQwJ6xRja_LsHNSMZTcw/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1
[task 2026-05-25T03:57:40.399+00:00] 03:57:40 INFO - win11_2009: False
[task 2026-05-25T03:57:40.400+00:00] 03:57:40 INFO - wmfme: 0
[task 2026-05-25T03:57:40.400+00:00] 03:57:40 INFO - xorigin: False
[task 2026-05-25T03:57:40.400+00:00] 03:57:40 INFO - Checking for ssltunnel processes...
[task 2026-05-25T03:57:40.401+00:00] 03:57:40 INFO - Checking for xpcshell processes...
[task 2026-05-25T03:57:40.624+00:00] 03:57:40 WARNING - The following path(s) didn't resolve any tests:
[task 2026-05-25T03:57:40.624+00:00] 03:57:40 WARNING - widget/tests/test_clipboard_getDataIfSmallerThan_ca_enabled.html
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR - No tests were found for flavor 'plain' and the following manifest filters:
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR - subsuite(name=None), pathprefix(['widget/tests/test_clipboard_getDataIfSmallerThan_ca_enabled.html']), skip_if, run_if, fail_if
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR -
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR - Make sure the test paths (if any) are spelt correctly and the corresponding
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR - --flavor and --subsuite are being used. See `mach mochitest --help` for a
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR - list of valid flavors.
[task 2026-05-25T03:57:40.625+00:00] 03:57:40 ERROR -
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - SUITE-START | Running 0 tests
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - 0 INFO TEST-START | Shutdown
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - 1 INFO Passed: 0
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - 2 INFO Failed: 0
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - 3 INFO Todo: 0
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - 4 INFO Retried: 0
[task 2026-05-25T03:57:40.626+00:00] 03:57:40 INFO - 5 INFO Mode: e10s
[task 2026-05-25T03:57:40.627+00:00] 03:57:40 INFO - 6 INFO SimpleTest FINISHED
[task 2026-05-25T03:57:40.627+00:00] 03:57:40 INFO - Buffered messages finished
[task 2026-05-25T03:57:40.627+00:00] 03:57:40 INFO - SUITE-END | took 0s
[task 2026-05-25T03:57:40.628+00:00] 03:57:40 INFO - SUITE-START | Running 0 tests
[task 2026-05-25T03:57:40.628+00:00] 03:57:40 INFO - :::
[task 2026-05-25T03:57:40.628+00:00] 03:57:40 INFO - ::: Test verification summary for:
[task 2026-05-25T03:57:40.629+00:00] 03:57:40 INFO - :::
[task 2026-05-25T03:57:40.858+00:00] 03:57:40 WARNING - The following path(s) didn't resolve any tests:
[task 2026-05-25T03:57:40.858+00:00] 03:57:40 WARNING - widget/tests/test_clipboard_getDataIfSmallerThan_ca_enabled.html
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR - No tests were found for flavor 'plain' and the following manifest filters:
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR - subsuite(name=None), pathprefix(['widget/tests/test_clipboard_getDataIfSmallerThan_ca_enabled.html']), skip_if, run_if, fail_if
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR -
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR - Make sure the test paths (if any) are spelt correctly and the corresponding
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR - --flavor and --subsuite are being used. See `mach mochitest --help` for a
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR - list of valid flavors.
[task 2026-05-25T03:57:40.859+00:00] 03:57:40 ERROR -
[task 2026-05-25T03:57:40.860+00:00] 03:57:40 INFO - :::
[task 2026-05-25T03:57:40.860+00:00] 03:57:40 INFO - ::: 1. Run each test 10 times in one browser. : FAIL
[task 2026-05-25T03:57:40.861+00:00] 03:57:40 INFO - ::: 2. Run each test 5 times in a new browser each time. : not run / incomplete
[task 2026-05-25T03:57:40.861+00:00] 03:57:40 INFO - ::: 3. Run each test 10 times in one browser, in chaos mode. : not run / incomplete
[task 2026-05-25T03:57:40.862+00:00] 03:57:40 INFO - ::: 4. Run each test 5 times in a new browser each time, in chaos mode. : not run / incomplete
[task 2026-05-25T03:57:40.862+00:00] 03:57:40 INFO - :::
[task 2026-05-25T03:57:40.862+00:00] 03:57:40 INFO - ::: Test verification FAILED!
[task 2026-05-25T03:57:40.863+00:00] 03:57:40 INFO - :::
[task 2026-05-25T03:57:40.863+00:00] 03:57:40 INFO - Buffered messages finished
[task 2026-05-25T03:57:40.863+00:00] 03:57:40 INFO - SUITE-END | took 0s
[task 2026-05-25T03:57:40.880+00:00] 03:57:40 INFO - Return code: 0
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 ERROR - No checks run.
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 INFO - TinderboxPrint: mochitest-mochitest-plain<br/><em class="testfail">T-FAIL</em>
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 WARNING - setting return code to 2
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 ERROR - TinderboxPrint: Per-test run of .../test_clipboard_getDataIfSmallerThan_ca_enabled.html<br/>: FAILURE
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 INFO - Running command: ['/builds/worker/workspace/build/venv/bin/python', '-u', '/builds/worker/workspace/build/tests/mochitest/runtests.py', '--setpref=layout.css.stylo-threads=4', '--setpref=media.peerconnection.mtransport_process=false', '--setpref=network.process.enabled=false', '--setpref=layers.d3d11.enable-blacklist=false', '--appname=/builds/worker/workspace/build/application/firefox/firefox', '--utility-path=tests/bin', '--extra-profile-file=tests/bin/plugins', '--symbols-path=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/b8KW615LTZmaUoyvg6qo_w/artifacts/public/build/target.crashreporter-symbols.zip', '--certificate-path=tests/certs', '--setpref=webgl.force-enabled=true', '--quiet', '--log-errorsummary=/builds/worker/workspace/build/blobber_upload_dir/mochitest-plain-test2_errorsummary.log', '--use-test-media-devices', '--screenshot-on-fail', '--cleanup-crashes', '--marionette-startup-timeout=180', '--sandbox-read-whitelist=/builds/worker/workspace/build', '--verify-max-time=900', '--verify', 'widget/tests/test_clipboard_getDataIfSmallerThan_ca_disabled.html'] in /builds/worker/workspace/build
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 INFO - Copy/paste: /builds/worker/workspace/build/venv/bin/python -u /builds/worker/workspace/build/tests/mochitest/runtests.py --setpref=layout.css.stylo-threads=4 --setpref=media.peerconnection.mtransport_process=false --setpref=network.process.enabled=false --setpref=layers.d3d11.enable-blacklist=false --appname=/builds/worker/workspace/build/application/firefox/firefox --utility-path=tests/bin --extra-profile-file=tests/bin/plugins --symbols-path=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/b8KW615LTZmaUoyvg6qo_w/artifacts/public/build/target.crashreporter-symbols.zip --certificate-path=tests/certs --setpref=webgl.force-enabled=true --quiet --log-errorsummary=/builds/worker/workspace/build/blobber_upload_dir/mochitest-plain-test2_errorsummary.log --use-test-media-devices --screenshot-on-fail --cleanup-crashes --marionette-startup-timeout=180 --sandbox-read-whitelist=/builds/worker/workspace/build --verify-max-time=900 --verify widget/tests/test_clipboard_getDataIfSmallerThan_ca_disabled.html
[task 2026-05-25T03:57:40.881+00:00] 03:57:40 INFO - Using env: (same as previous command)
[task 2026-05-25T03:57:40.882+00:00] 03:57:40 INFO - Calling ['/builds/worker/workspace/build/venv/bin/python', '-u', '/builds/worker/workspace/build/tests/mochitest/runtests.py', '--setpref=layout.css.stylo-threads=4', '--setpref=media.peerconnection.mtransport_process=false', '--setpref=network.process.enabled=false', '--setpref=layers.d3d11.enable-blacklist=false', '--appname=/builds/worker/workspace/build/application/firefox/firefox', '--utility-path=tests/bin', '--extra-profile-file=tests/bin/plugins', '--symbols-path=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/b8KW615LTZmaUoyvg6qo_w/artifacts/public/build/target.crashreporter-symbols.zip', '--certificate-path=tests/certs', '--setpref=webgl.force-enabled=true', '--quiet', '--log-errorsummary=/builds/worker/workspace/build/blobber_upload_dir/mochitest-plain-test2_errorsummary.log', '--use-test-media-devices', '--screenshot-on-fail', '--cleanup-crashes', '--marionette-startup-timeout=180', '--sandbox-read-whitelist=/builds/worker/workspace/build', '--verify-max-time=900', '--verify', 'widget/tests/test_clipboard_getDataIfSmallerThan_ca_disabled.html'] with output_timeout 1000
[task 2026-05-25T03:57:41.042+00:00] 03:57:41 INFO - :::
[task 2026-05-25T03:57:41.042+00:00] 03:57:41 INFO - ::: Running test verification step "1. Run each test 10 times in one browser."...
[task 2026-05-25T03:57:41.042+00:00] 03:57:41 INFO - :::
[task 2026-05-25T03:57:41.043+00:00] 03:57:41 INFO - These variables are available in the mozinfo environment and can be used to skip tests conditionally:
[task 2026-05-25T03:57:41.043+00:00] 03:57:41 INFO - a11y_checks: False
Description
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