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Linux tool_tests_commands is 2.00% flaky #186136
Description
Activity
Runtime ~35 minutes, currently suppressed on the dashboard. One of these was a timeout, while the other:
06:40 +178 ~1: /b/s/w/ir/x/w/flutter/packages/flutter_tools/test/commands.shard/hermetic/widget_preview/preview_manifest/preview_manifest_workspace_test.dart: PreviewManifest - Workspace can handle the addition of new workspace projects before the workspace pubspec is updated PathNotFoundException: Cannot open file, path = '/b/s/w/ir/x/t/flutter_tools.LBMTRE/rootWTXTRF/.dart_tool/package_config.json' (OS Error: No such file or directory, errno = 2) #0 _checkForErrorResponse (dart:io/common.dart:58:9) #1 _File.open.<anonymous closure> (dart:io/file_impl.dart:438:7) #2 _rootRunUnary (dart:async/zone_root.dart:48:47) #3 _CustomZone.runUnary (dart:async/zone.dart:733:19) <asynchronous suspension> #4 _FileStreamConsumer.addStream.<anonymous closure> (dart:io/file_impl.dart:223:15) <asynchronous suspension> 06:40 +177 ~1 -1: /b/s/w/ir/x/w/flutter/packages/flutter_tools/test/commands.shard/hermetic/widget_preview/preview_manifest/preview_manifest_workspace_test.dart: PreviewManifest - Workspace can handle workspace entries that do not exist 06:40 +177 ~1 -1: /b/s/w/ir/x/w/flutter/packages/flutter_tools/test/commands.shard/hermetic/widget_preview/preview_manifest/preview_manifest_workspace_test.dart: PreviewManifest - Workspace can handle the addition of new workspace projects before the workspace pubspec is updated [E] PathNotFoundException: Cannot open file, path = '/b/s/w/ir/x/t/flutter_tools.LBMTRE/rootWTXTRF/.dart_tool/package_config.json' (OS Error: No such file or directory, errno = 2) dart:io _FileStreamConsumer.addStream.<fn> This test failed after it had already completed. Make sure to use a matching library which informs the test runner of pending async work. dart:io _FileStreamConsumer.addStream.<fn>[prod pool] flaky ratio for the past (up to) 100 commits between 2026-05-09 and 2026-05-19 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_tests_commands/28045
Commit: 4f1439c
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_tests_commands/28045Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux%20tool_tests_commands[prod pool] flaky ratio for the past (up to) 100 commits between 2026-05-16 and 2026-05-25 is 0.00%. Flaky number: 0; total number: 99.
- added a commit that references this issue
on Jun 1, 2026 - added a commit that references this issue
on Jun 26, 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.- locked as resolved and limited conversation to collaborators
on Jul 14, 2026
The post-submit test builder
Linux tool_tests_commandshad a flaky ratio 2.00% 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_tests_commands/27936
Commit: c7d2982
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_tests_commands/27936
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_tests_commands/27882
Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux%20tool_tests_commands
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).