tests for readonly repositories

CoreUnitTests/Infrastructure/Model/TestDocument.cs

@@ -25,6 +25,8 @@ public class TestDocument : Document
 
     public int GroupingKey { get; set; }
 
+    public Guid OtherGroupingKey { get; set; }
+
     public Nested Nested { get; set; }
 
     public List<Child> Children { get; set; }

CoreUnitTests/Infrastructure/Model/TestDocumentWithKey.cs

@@ -22,6 +22,8 @@ public class TestDocumentWithKey<TKey> : IDocument<TKey>
 
     public int SomeValue { get; set; }
 
+    public int SomeDecimalValue { get; set; }
+
     public string SomeContent { get; set; }
     public string SomeContent2 { get; set; }
     public string SomeContent3 { get; set; }
@@ -31,4 +33,4 @@ public class TestDocumentWithKey<TKey> : IDocument<TKey>
     public Nested Nested { get; set; }
 
     public List<Child> Children { get; set; }
-}
+}