DragStack.pop();
        if (dragInfo) {
          fakeDrag(dragInfo.id, dragInfo.dx, dragInfo.dy, dragInfo.workspace);
        }
      }

      function fakeManyDrags() {
        var blockList = workspace.getAllBlocks();
        for (var i = 0; i < 2 * blockList.length; i++) {
          fakeDragStack.push(
            {
              id: blockList[Math.round(Math.random() * (blockList.length - 1))].id,
              // Move some blocks up and to the left, but mostly down and to the right.
              dx: