Fix audit findings for coverage, architecture checks, and XML docs

tests/CBDD.Tests/HashIndexTests.cs

@@ -5,6 +5,9 @@ namespace ZB.MOM.WW.CBDD.Tests;
 
 public class HashIndexTests
 {
+    /// <summary>
+    /// Executes Insert_And_TryFind_Should_Return_Location.
+    /// </summary>
     [Fact]
     public void Insert_And_TryFind_Should_Return_Location()
     {
@@ -19,6 +22,9 @@ public class HashIndexTests
         found.SlotIndex.ShouldBe(location.SlotIndex);
     }
 
+    /// <summary>
+    /// Executes Unique_HashIndex_Should_Throw_On_Duplicate_Key.
+    /// </summary>
     [Fact]
     public void Unique_HashIndex_Should_Throw_On_Duplicate_Key()
     {
@@ -38,6 +44,9 @@ public class HashIndexTests
             index.Insert(key, new DocumentLocation(2, 2)));
     }
 
+    /// <summary>
+    /// Executes Remove_Should_Remove_Only_Matching_Entry.
+    /// </summary>
     [Fact]
     public void Remove_Should_Remove_Only_Matching_Entry()
     {
@@ -61,6 +70,9 @@ public class HashIndexTests
         index.FindAll(key).ShouldBeEmpty();
     }
 
+    /// <summary>
+    /// Executes FindAll_Should_Return_All_Matching_Entries.
+    /// </summary>
     [Fact]
     public void FindAll_Should_Return_All_Matching_Entries()
     {