diff --git a/src/Adapter/MSTestAdapter.PlatformServices/Services/TestContextImplementation.cs b/src/Adapter/MSTestAdapter.PlatformServices/Services/TestContextImplementation.cs
index a24f169e6c..c3bd509f26 100644
--- a/src/Adapter/MSTestAdapter.PlatformServices/Services/TestContextImplementation.cs
+++ b/src/Adapter/MSTestAdapter.PlatformServices/Services/TestContextImplementation.cs
@@ -524,13 +524,14 @@ private SynchronizedStringBuilder GetTestContextMessagesStringBuilder()
     /// <returns>A fresh context suitable for one folded data-driven iteration.</returns>
     internal TestContextImplementation CloneForDataDrivenIteration()
     {
-        // Pass testMethod: null and testClassFullName: null because the relevant labels
-        // (including TestNameLabel / FullyQualifiedTestClassNameLabel and anything merged from
-        // AssemblyInitialize / ClassInitialize) are already in _properties. In that branch the
-        // constructor takes a shallow copy of the passed dictionary, so passing _properties
-        // directly gives the clone an isolated property bag without an extra intermediate copy:
-        // per-iteration mutations to the clone's property bag won't leak back to this instance
-        // nor to subsequent iterations.
+        // Pass _properties directly and testMethod: null / testClassFullName: null because the
+        // relevant labels (including TestNameLabel / FullyQualifiedTestClassNameLabel and anything
+        // merged from AssemblyInitialize / ClassInitialize) are already in the property bag. The
+        // constructor's null/null branch copies the supplied properties into a fresh dictionary
+        // via the [with(properties)] spread, so no intermediate snapshot allocation is needed and
+        // isolation is preserved: per-iteration mutations to the clone's property bag won't leak
+        // back to this instance nor to subsequent iterations, and mutations to this instance after
+        // clone creation won't leak into the clone.
         var clone = new TestContextImplementation(testMethod: null, testClassFullName: null, _properties, _messageLogger, _testRunCancellationToken);
 
         // Preserve TestRunCount so user code that observes it (e.g. retry-aware tests) sees