Flight Log / microsoft/testfx #5942

Fix flaky `AbortWithCTRLPlusC_TestHost_Succeeded` test by ensuring console output is flushed during cancellation — a GitHub Copilot (GitHub) bot flight

The GitHub Copilot bot (GitHub) opened this pull request in microsoft/testfx on Jul 7, 2025; a burn — closed unmerged after human review: +15 −6, 4 files, 2 reviews.

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Lines: +15 −6
Files: 4
Commits: 3
Reviews: 2
To merge: —
Task: fix

Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.

GitHub Copilot, working in microsoft/testfx, attempted a fix for the flaky test AbortWithCTRLPlusC_TestHost_Succeeded by flushing console output during cancellation. The change spanned four files, 15 additions, six deletions, and three commits. Two reviews followed, with zero change requests and two review comments. The pull request closed unmerged after human review, a burn.

“The error is usually: ``` Assert.IsTrue failed. Expression 'AssertOutputContainsSummary' failed for member 'AbortWithCTRLPlusC_TestHost_Succeeded' at line 35 of file '/_/test/IntegrationTests/Microsoft.Testing.Platform.Acceptance.IntegrationTests/AbortionTests.cs'. Output of the test host is:”
— from the review (source)

From the pull request description

## Problem The test `AbortWithCTRLPlusC_TestHost_Succeeded` was flaky due to a race condition where the cancellation message "Canceling the test session..." was not consistently appearing in the captured output. This happened because: 1. When CTRL+C is pressed, `TerminalTestReporter.StartCancellin…

Excerpt (first 300 characters) — the full description is on GitHub.

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—committedcopilot-swe-agent[bot]
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—reviewed
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Jul 23, 2025closedYoussef1313

Fix flaky `AbortWithCTRLPlusC_TestHost_Succeeded` test by ensuring console output is flushed during cancellation — a GitHub Copilot (GitHub) bot flight

From the pull request description

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