[CI Failure] Flaky: AppHostLauncherTests.LaunchDetachedAsync_CleansUpChildProcessWhenCancelledAfterStart fails intermittently on macOS

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Build Information

Build: https://github.com/microsoft/aspire/actions/runs/29782869840
Build error leg or test failing: Tests / Cli / Cli (macos-latest) / Aspire.Cli.Tests.Commands.AppHostLauncherTests.LaunchDetachedAsync_CleansUpChildProcessWhenCancelledAfterStart
Pull request: #18527

Error Message

Assert.True() Failure
Expected: True
Actual:   False
   at Aspire.Cli.Tests.Commands.AppHostLauncherTests.LaunchDetachedAsync_CleansUpChildProcessWhenCancelledAfterStart() in /Users/runner/work/aspire/aspire/tests/Aspire.Cli.Tests/Commands/AppHostLauncherTests.cs:line 624

Description

Flaky: AppHostLauncherTests.LaunchDetachedAsync_CleansUpChildProcessWhenCancelledAfterStart fails intermittently on macOS

Type: flaky-test

Occurrences

Date	Build	Job	PR
2026-07-20	29782869840	Tests / Cli / Cli (macos-latest)	#18527
2026-07-22	29880737952	Tests / Cli / Cli (macos-latest)	#18763