NodeStats still has assertions that need version range safeguard

Author: Mpdreamz

src/Tests/Tests/Cluster/NodesStats/NodesStatsApiTests.cs

@@ -74,11 +74,12 @@ protected void Assert(NodeIngestStats nodeIngestStats)
 		{
 			nodeIngestStats.Should().NotBeNull();
 			nodeIngestStats.Total.Should().NotBeNull();
-			nodeIngestStats.Pipelines.Should().NotBeNull();
-			nodeIngestStats.Pipelines.Should().ContainKey(DefaultSeeder.PipelineName);
 
 			if (TestClient.Configuration.InRange("<6.5.0")) return;
 
+			nodeIngestStats.Pipelines.Should().NotBeNull();
+			nodeIngestStats.Pipelines.Should().ContainKey(DefaultSeeder.PipelineName);
+
 			var pipelineStats = nodeIngestStats.Pipelines[DefaultSeeder.PipelineName];
 
 			pipelineStats.Should().NotBeNull();