Dapper and STJson

Co-Authored-By: ta264 <ta264@users.noreply.github.com>

src/NzbDrone.Core.Test/Framework/TestDatabase.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Data;
 using System.Linq;
 using Moq;
 using NzbDrone.Core.Datastore;
@@ -21,6 +22,7 @@ namespace NzbDrone.Core.Test.Framework
         void Delete<T>(T childModel)
             where T : ModelBase, new();
         IDirectDataMapper GetDirectDataMapper();
+        IDbConnection OpenConnection();
     }
 
     public class TestDatabase : ITestDatabase
@@ -74,5 +76,10 @@ namespace NzbDrone.Core.Test.Framework
         {
             return new DirectDataMapper(_dbConnection);
         }
+
+        public IDbConnection OpenConnection()
+        {
+            return _dbConnection.OpenConnection();
+        }
     }
 }