Tweaks.

test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpTraceExporterTests.cs

@@ -34,7 +34,9 @@ static OtlpTraceExporterTests()
         var listener = new ActivityListener
         {
             ShouldListenTo = _ => true,
-            Sample = (ref ActivityCreationOptions<ActivityContext> options) => ActivitySamplingResult.AllDataAndRecorded,
+            Sample = (ref ActivityCreationOptions<ActivityContext> options) => options.Parent.TraceFlags.HasFlag(ActivityTraceFlags.Recorded)
+                ? ActivitySamplingResult.AllDataAndRecorded
+                : ActivitySamplingResult.AllData,
         };
 
         ActivitySource.AddActivityListener(listener);