Add XML docs required by CommentChecker fixes

tests/ZB.MOM.WW.CBDDC.Core.Tests/DatasetAwareModelTests.cs

@@ -5,6 +5,9 @@ namespace ZB.MOM.WW.CBDDC.Core.Tests;
 
 public class DatasetAwareModelTests
 {
+    /// <summary>
+    ///     Verifies <see cref="DocumentMetadata" /> defaults to the primary dataset.
+    /// </summary>
     [Fact]
     public void DocumentMetadata_ShouldDefaultDatasetId_ToPrimary()
     {
@@ -13,6 +16,9 @@ public class DatasetAwareModelTests
         metadata.DatasetId.ShouldBe(DatasetId.Primary);
     }
 
+    /// <summary>
+    ///     Verifies dataset identifiers survive JSON round-trips for <see cref="DocumentMetadata" />.
+    /// </summary>
     [Fact]
     public void DocumentMetadata_SerializationRoundTrip_ShouldPreserveDatasetId()
     {
@@ -25,6 +31,9 @@ public class DatasetAwareModelTests
         restored.DatasetId.ShouldBe("logs");
     }
 
+    /// <summary>
+    ///     Verifies <see cref="SnapshotMetadata" /> defaults to the primary dataset.
+    /// </summary>
     [Fact]
     public void SnapshotMetadata_ShouldDefaultDatasetId_ToPrimary()
     {
@@ -33,6 +42,9 @@ public class DatasetAwareModelTests
         metadata.DatasetId.ShouldBe(DatasetId.Primary);
     }
 
+    /// <summary>
+    ///     Verifies <see cref="PeerOplogConfirmation" /> defaults to the primary dataset.
+    /// </summary>
     [Fact]
     public void PeerOplogConfirmation_ShouldDefaultDatasetId_ToPrimary()
     {