Add DragDrop method to testedobjects

I actually have our drag method added to a script extension.  The code looks like this:

function dragCalculatedDistance(startObject, destinationObject) {
    var startPoint, targetPoint, dragX, dragY;
    // Drag from the center of object A to the center of object B

    startPoint = startObject.WindowToScreen(startObject.Width/2, startObject.Height/2);
    targetPoint = destinationObject.WindowToScreen(destinationObject.Width/2, destinationObject.Height/2);

    dragX = targetPoint.X - startPoint.X;
    dragY = targetPoint.Y - startPoint.Y;

    startObject.Drag(-1, -1, dragX, dragY); 
}

I wrap that in a script extension and then the method is available for any project.  Give this a try.