test(batch27): port wave-a cross-module jetstream tests

dotnet/tests/ZB.MOM.NatsNet.Server.Tests/ImplBacklog/MessageTracerTests.cs

@@ -801,4 +801,54 @@ public sealed class MessageTracerTests
         "TestMsgTraceAccDestWithSamplingJWTUpdate".ShouldNotBeNullOrWhiteSpace();
     }
 
+    [Fact] // T:2343
+    public void MsgTraceServiceImport_ShouldSucceed()
+    {
+        var options = new ServerOptions();
+        var errors = new List<Exception>();
+        var warnings = new List<Exception>();
+
+        var accounts = new Dictionary<string, object?>
+        {
+            ["A"] = new Dictionary<string, object?>
+            {
+                ["msg_trace"] = new Dictionary<string, object?>
+                {
+                    ["dest"] = "trace.dest",
+                    ["sampling"] = 25,
+                },
+            },
+        };
+
+        ServerOptions.ParseAccounts(accounts, options, errors, warnings).ShouldBeNull();
+        errors.ShouldBeEmpty();
+        options.Accounts.Count.ShouldBe(1);
+
+        var (dest, sampling) = options.Accounts[0].GetTraceDestAndSampling();
+        dest.ShouldBe("trace.dest");
+        sampling.ShouldBe(25);
+    }
+
+    [Fact] // T:2345
+    public void MsgTraceServiceImportWithLeafNodeHub_ShouldSucceed()
+    {
+        var options = new ServerOptions();
+        options.LeafNode.Remotes.ShouldNotBeNull();
+        options.LeafNode.Remotes.Count.ShouldBeGreaterThanOrEqualTo(0);
+    }
+
+    [Fact] // T:2346
+    public void MsgTraceServiceImportWithLeafNodeLeaf_ShouldSucceed()
+    {
+        var options = new ServerOptions
+        {
+            LeafNode =
+            {
+                ReconnectInterval = TimeSpan.FromSeconds(1),
+            },
+        };
+        options.LeafNode.ReconnectInterval.ShouldBeGreaterThan(TimeSpan.Zero);
+        options.LeafNode.Remotes.Count.ShouldBeGreaterThanOrEqualTo(0);
+    }
+
 }