MoqExtensions.cs

public static ISetup<T, TResult> Setup<T, TResult>(this T mock, Expression<Func<T, TResult>> expression) where T : class
{
    return Mock.Get(mock).Setup(expression);
}

public static void Verify<T, TResult>(this T mock, Expression<Func<T, TResult>> expression) where T : class
{
    Mock.Get(mock).Verify(expression);
}

public static void Verify<T, TResult>(this T mock, Expression<Func<T, TResult>> expression, Times times) where T : class
{
    Mock.Get(mock).Verify(expression, times);
}