Obsolete CancelledTestNodeStateProperty

src/Platform/Microsoft.Testing.Platform/Messages/TestNodeProperties.Categories.cs

@@ -19,14 +19,12 @@ internal static class TestNodePropertiesCategories
             typeof(FailedTestNodeStateProperty),
             typeof(ErrorTestNodeStateProperty),
             typeof(TimeoutTestNodeStateProperty),
-            typeof(CancelledTestNodeStateProperty),
         ];
 
     public static Type[] WellKnownTestNodeTestRunOutcomeFailedProperties { get; } =
         [
             typeof(FailedTestNodeStateProperty),
             typeof(ErrorTestNodeStateProperty),
             typeof(TimeoutTestNodeStateProperty),
-            typeof(CancelledTestNodeStateProperty),
         ];
 }

src/Platform/Microsoft.Testing.Platform/Messages/TestNodeProperties.cs

@@ -437,6 +437,7 @@ public override int GetHashCode()
 /// <summary>
 /// Property that represents an eventual cancellation of a test node.
 /// </summary>
+[Obsolete("CancelledTestNodeStateProperty is obsolete. Test frameworks should throw OperationCanceledException using the cancellation token passed by Microsoft.Testing.Platform instead of using this state.")]
 public sealed class CancelledTestNodeStateProperty : TestNodeStateProperty, IEquatable<CancelledTestNodeStateProperty>
 {
     /// <summary>

test/UnitTests/Microsoft.Testing.Platform.UnitTests/Services/TestApplicationResultTests.cs

@@ -216,7 +216,6 @@ internal static IEnumerable<object[]> FailedState()
     {
         yield return [new FailedTestNodeStateProperty()];
         yield return [new ErrorTestNodeStateProperty()];
-        yield return [new CancelledTestNodeStateProperty()];
         yield return [new TimeoutTestNodeStateProperty()];
     }