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Linux tool_integration_tests_4_7 is 3.06% flaky #189496
Description
The post-submit test builder Linux tool_integration_tests_4_7 had a flaky ratio 3.06% for the past (up to) 100 commits, which is above our 2.00% threshold.
One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7469
Commit: 8a9f61c
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7469
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7455
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7435
Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux%20tool_integration_tests_4_7
Please follow https://github.com/flutter/flutter/blob/master/docs/infra/Reducing-Test-Flakiness.md#fixing-flaky-tests to fix the flakiness and enable the test back after validating the fix (internal dashboard to validate: go/flutter_test_flakiness).
Activity
Piinks commentedon Jul 20, 2026
These all appear to be the same failure:
test/integration.shard/widget_preview_detection_test.dart: widget-preview detection Removed previews are detected (LSP)
fluttergithubbot commentedon Jul 22, 2026
[prod pool] flaky ratio for the past (up to) 100 commits between 2026-07-13 and 2026-07-21 is 1.01%. Flaky number: 1; total number: 99.
One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7564
Commit: 891cee2
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7564
Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux%20tool_integration_tests_4_7
Piinks commentedon Jul 27, 2026
Looks like this is improving.
fluttergithubbot commentedon Jul 29, 2026
[prod pool] flaky ratio for the past (up to) 100 commits between 2026-07-21 and 2026-07-28 is 1.02%. Flaky number: 1; total number: 98.
One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7635
Commit: b65f4d9
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7635
Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux%20tool_integration_tests_4_7
Piinks commentedon Aug 3, 2026
Same failure here in test/integration.shard/widget_preview_detection_test.dart
fluttergithubbot commentedon Aug 5, 2026
[prod pool] flaky ratio for the past (up to) 100 commits between 2026-07-29 and 2026-08-04 is 4.04%. Flaky number: 4; total number: 99.
One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7774
Commit: 5a2a94a
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7774
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7769
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7756
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_4_7/7746
Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux%20tool_integration_tests_4_7
Piinks commentedon Aug 10, 2026
Latest report all seem to be the same fail state, it looks like an individual test test/integration.shard/widget_preview_detection_test.dart: widget-preview detection Removed previews are detected (LSP)
timed out.
[flutter_tools] Add retry and timeout to getFlutterWidgetPreviews in …
jtmcdole commentedon Aug 12, 2026
Lets leave this one open for a bit; the failures on the test in post submit are still counted for the last 100 runs.
jtmcdole commentedon Aug 13, 2026
Closing to experiment with cocoon unsupression - haven't seen an issue since 11th.
github-actions commentedon Aug 27, 2026
This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of
flutter doctor -vand a minimal reproduction of the issue.