Mocking a static method in a base class (partial mocking?)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using TypeMock;
using NUnit.Framework;

namespace Example
{
    public abstract class BaseClass
    {
        public static DataSet ExecuteExpensiveSqlCall(string sqlParams)
        {
            //return DataSet from database
            return null;
        }
    }

    public class ExtendingClass : BaseClass
    {
        public static DataSet MethodIWantToTest(string param)
        {
            //build up parameters
            DataSet returnMe = ExecuteExpensiveSqlCall(param);
            //do something with result
            return returnMe;
        }
    }

    public class TestClass
    {
        [Test, VerifyMocks]
        public void MyTest()
        {
            DataSet stubDataSet = new DataSet();
            //build up stub dataset
            //set up mock on extending object
            Mock baseMock = MockManager.MockAll<BaseClass>();
            //expect method call
            baseMock.ExpectAndReturn("ExecuteExpensiveSqlCall", stubDataSet);
            DataSet stubRetDataSet = ExtendingClass.MethodIWantToTest("ignored");
            //complete assertions
        }
    }
}