Improve test stability (JoinAsyncShouldCompleteWithoutUIThreadAfterCancellation)

AArnott · AArnott · commit c9c1f37cca96 · 2025-12-11T10:49:16.000-07:00
diff --git a/test/Microsoft.VisualStudio.Threading.Tests/JoinableTaskTests.cs b/test/Microsoft.VisualStudio.Threading.Tests/JoinableTaskTests.cs
@@ -3762,7 +3762,7 @@ public void JoinAsyncShouldCompleteWithoutUIThreadAfterCancellation()
         // We expect to be able to block on the UI thread and the Task complete.
         // In completing, it will throw a TaskCanceledException, wrapped by an
         // AggregateException. If it 'hangs', it will timeout, returning false.
-        Assert.Throws<AggregateException>(() => joinTask.Wait(AsyncDelay));
+        Assert.Throws<AggregateException>(() => joinTask.Wait(UnexpectedTimeout));
     }
 
     [Fact]

Original file line number	Diff line number	Diff line change
`@@ -3762,7 +3762,7 @@ public void JoinAsyncShouldCompleteWithoutUIThreadAfterCancellation()`
`3762`	`3762`	`// We expect to be able to block on the UI thread and the Task complete.`
`3763`	`3763`	`// In completing, it will throw a TaskCanceledException, wrapped by an`
`3764`	`3764`	`// AggregateException. If it 'hangs', it will timeout, returning false.`
`3765`		`- Assert.Throws<AggregateException>(() => joinTask.Wait(AsyncDelay));`
	`3765`	`+ Assert.Throws<AggregateException>(() => joinTask.Wait(UnexpectedTimeout));`
`3766`	`3766`	`}`
`3767`	`3767`
`3768`	`3768`	`[Fact]`