[Flaky Test] Un-quarantine 5 flaky tests confirmed green in quarantine pipeline#13979
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ViktorHofer merged 1 commit intoJun 8, 2026
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Tests have been consistently passing in the quarantine pipeline (def 344) over multiple days and builds with no failures detected. - Remove [ActiveIssue] from CreateItem_Tests.LogUnixWarningUponCreateItemExecution (issue #8373, 13 distinct builds, 6 days, Linux+macOS) - Remove [ActiveIssue] from CreateItem_Tests.LogUnixWarningUponItemCreationWithDriveEnumeration (issue #8373, 13 distinct builds, 6 days, Linux+macOS) - Remove [ActiveIssue] from ToolTask_Tests.OverrideStdOutImportanceToHigh (issue #13934, 5 distinct builds, 3 days, Windows) - Remove [ActiveIssue] from ToolTask_Tests.ToolTaskCanChangeCanonicalErrorFormat (issue #13931, 5 distinct builds, 3 days, Windows) - Remove [ActiveIssue] from BinaryLoggerTests.BinaryLoggerShouldEmbedFilesViaTaskOutput (issue #13932, 5 distinct builds, 3 days, Linux) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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June 8, 2026 08:56
This was referenced Jun 9, 2026
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Summary
Automated un-quarantine of 5 tests that the quarantine pipeline (def 344) has confirmed consistently green on
mainover multiple builds and days, with zero failures detected.Microsoft.Build.UnitTests.CreateItem_Tests.LogUnixWarningUponCreateItemExecution— Un-quarantine (6b)Flaky-test key (automated de-duplication — do not edit):
Def-344 evidence: 13 distinct green builds, 6 distinct days, legs:
Quarantine test logs (Linux),Quarantine test logs (macOS), window: 21 days. Zero failures in def 344 over the same window. Test is[UnixOnlyTheory]so Windows coverage is not required.Tracked by #8373 (other tests still reference this issue)
Microsoft.Build.UnitTests.CreateItem_Tests.LogUnixWarningUponItemCreationWithDriveEnumeration— Un-quarantine (6b)Flaky-test key (automated de-duplication — do not edit):
Def-344 evidence: 13 distinct green builds, 6 distinct days, legs:
Quarantine test logs (Linux),Quarantine test logs (macOS), window: 21 days. Zero failures in def 344 over the same window. Test is[UnixOnlyTheory]so Windows coverage is not required.Tracked by #8373 (other tests still reference this issue)
Microsoft.Build.UnitTests.ToolTask_Tests.OverrideStdOutImportanceToHigh— Un-quarantine (6b)Flaky-test key (automated de-duplication — do not edit):
Def-344 evidence: 5 distinct green builds, 3 distinct days, legs:
Quarantine(Windows), window: 21 days. Zero failures in def 344 over the same window. Quarantine was Windows-scoped (TestPlatforms.Windows) and green evidence is on Windows.Fixes #13934
Microsoft.Build.UnitTests.ToolTask_Tests.ToolTaskCanChangeCanonicalErrorFormat— Un-quarantine (6b)Flaky-test key (automated de-duplication — do not edit):
Def-344 evidence: 5 distinct green builds, 3 distinct days, legs:
Quarantine(Windows), window: 21 days. Zero failures in def 344 over the same window. Quarantine was Windows-scoped (TestPlatforms.Windows) and green evidence is on Windows.Note: open PR #13956 also modifies this test's body (reverting a sleep workaround) — that PR and this one touch non-overlapping lines and should merge without conflict.
Fixes #13931
Microsoft.Build.UnitTests.BinaryLoggerTests.BinaryLoggerShouldEmbedFilesViaTaskOutput— Un-quarantine (6b)Flaky-test key (automated de-duplication — do not edit):
Def-344 evidence: 5 distinct green builds, 3 distinct days, legs:
Quarantine test logs (Linux), window: 21 days. Zero failures in def 344 over the same window. Quarantine was Linux-scoped (TestPlatforms.Linux) and green evidence is on Linux.Fixes #13932
New-flake triage note
The main-pipeline scan (
ToolTaskCanChangeCanonicalErrorFormat, 4 rolling-build failures on May 25–26) was classified as a likely regression (single error hash, no PR sources, clustered in 2 days) per triage Step 3. The test was already quarantined for issue #13931 prior to those failures. No new quarantine action was taken; the test is un-quarantined by this PR based on its subsequent def-344 green record.