Flaky test: Aspire.Hosting.Tests.SlimTestProgramTests.TestPortOnEndpointAnnotationAndAllocatedEndpointAnnotationMatchForReplicatedServices

[radical]

Build Information

Build: https://github.com/dotnet/aspire/actions/runs/15334118323
Build error leg or test failing: Aspire.Hosting.Tests.SlimTestProgramTests.TestPortOnEndpointAnnotationAndAllocatedEndpointAnnotationMatchForReplicatedServices
Pull request:

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Collection fixture type 'Aspire.Hosting.Tests.SlimTestProgramFixture' threw in InitializeAsync
---- System.Threading.Tasks.TaskCanceledException : A task was canceled.
----- Inner Stack Trace -----
   at Aspire.Hosting.Tests.SlimTestProgramFixture.WaitReadyStateAsync(CancellationToken cancellationToken) in /_/tests/Aspire.Hosting.Tests/TestProgramFixture.cs:line 68
   at Aspire.Hosting.Tests.TestProgramFixture.InitializeAsync() in /_/tests/Aspire.Hosting.Tests/TestProgramFixture.cs:line 37

📊 View CI Failure Report

[radical]

Report for Quarantined runs

Recent runs:

OS	Last 100 runs
linux (6/100)	... ✅ ✅ ✅ ✅ ✅ ✅ ✅ ✅ ✅ ❌ ✅ ✅ ✅ ✅ ✅ ✅ ✅ ✅ ✅ ❌
macos (3/100)	✅ ✅ ✅ ✅ ✅ ✅ ✅ ✅ ❌ ✅ ❌ ✅ ✅ ✅ ❌ ✅ ✅ ✅ ✅ ✅
windows (15/100)	... ❌ ✅ ❌ ✅ ✅ ✅ ✅ ✅ ✅ ❌ ✅ ✅ ✅ ✅ ✅ ❌ ✅ ❌ ✅ ❌

Key runs

	Date	OS	Build
✅	Apr 03, 10:06 PM	all	#23963979582
✅	Apr 03, 8:07 PM	all	#23960439903
✅	Apr 03, 6:10 PM	all	#23956748157
❌	Apr 03, 2:15 PM	windows	#23949282368
❌	Apr 03, 8:15 AM	windows	#23939500658
❌	Apr 02, 10:18 AM	linux	#23895688139

Summary

Last 7 days	Last 14 days	Last 30 days	Most Affected OS	Failure Rate
13 / 82	26 / 134	71 / 318	windows (15%)	22.3%

🔍 Matched by test name: Aspire.Hosting.Tests.SlimTestProgramTests.TestPortOnEndpointAnnotationAndAllocatedEndpointAnnotationMatchForReplicatedServices

-- Updated on 4/4/2026 1:48:11 AM UTC