Add batch 32 JS cluster meta backlog test mappings

dotnet/tests/ZB.MOM.NatsNet.Server.Tests/ImplBacklog/RaftNodeTests.Impltests.cs

@@ -7,6 +7,25 @@ namespace ZB.MOM.NatsNet.Server.Tests.ImplBacklog;
 
 public sealed class RaftNodeTests
 {
+    [Fact] // T:2689
+    public void NRGTrackPeerActive_ShouldSucceed()
+    {
+        var raft = new Raft
+        {
+            Id = "N1",
+            Qn = 2,
+            Csz = 3,
+            StateValue = (int)RaftState.Leader,
+            Peers_ = new Dictionary<string, Lps> { ["N2"] = new(), ["N3"] = new() },
+        };
+
+        raft.TrackPeer("N2", 10);
+        raft.TrackPeer("N3", 11);
+
+        raft.Peers_["N2"].Li.ShouldBe(10UL);
+        raft.Peers_["N3"].Li.ShouldBe(11UL);
+    }
+
     [Fact]
     public void NRGAppendEntryEncode_ShouldSucceed()
     {