Correct issue introduced in test due to spelling correction.

Dfe.Data.SearchPrototype/Infrastructure/Tests/Mapping/Extensions/AzureSearchResultExtensionsTests.cs

@@ -83,7 +83,7 @@ public void DeserialiseSearchResultDocument_With_Invalid_SearchResult_Object_Thr
             catch (JsonSerializationException ex)
             {
                 ex.Should().BeOfType<JsonSerializationException>();
-                ex.Message.Should().Be("Invalid json defined in search result document: {\"name\":\"Test\"");
+                ex.Message.Should().Be("Invalid JSON defined in search result document: {\"name\":\"Test\"");
             }
         }
     }