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

tests/CBDD.Tests/PrimaryKeyTests.cs

@@ -12,16 +12,25 @@ public class PrimaryKeyTests : IDisposable
 {
     private readonly string _dbPath = "primary_key_tests.db";
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PrimaryKeyTests"/> class.
+    /// </summary>
     public PrimaryKeyTests()
     {
         if (File.Exists(_dbPath)) File.Delete(_dbPath);
     }
 
+    /// <summary>
+    /// Executes Dispose.
+    /// </summary>
     public void Dispose()
     {
         if (File.Exists(_dbPath)) File.Delete(_dbPath);
     }
 
+    /// <summary>
+    /// Executes Test_Int_PrimaryKey.
+    /// </summary>
     [Fact]
     public void Test_Int_PrimaryKey()
     {
@@ -46,6 +55,9 @@ public class PrimaryKeyTests : IDisposable
         db.IntEntities.FindById(1).ShouldBeNull();
     }
 
+    /// <summary>
+    /// Executes Test_String_PrimaryKey.
+    /// </summary>
     [Fact]
     public void Test_String_PrimaryKey()
     {
@@ -65,6 +77,9 @@ public class PrimaryKeyTests : IDisposable
         db.StringEntities.FindById("key1").ShouldBeNull();
     }
 
+    /// <summary>
+    /// Executes Test_Guid_PrimaryKey.
+    /// </summary>
     [Fact]
     public void Test_Guid_PrimaryKey()
     {
@@ -84,6 +99,9 @@ public class PrimaryKeyTests : IDisposable
         db.GuidEntities.FindById(id).ShouldBeNull();
     }
 
+    /// <summary>
+    /// Executes Test_String_PrimaryKey_With_Custom_Name.
+    /// </summary>
     [Fact]
     public void Test_String_PrimaryKey_With_Custom_Name()
     {