public void DroppableNotAcceptTarget()
{
var droppablePage = new DroppablePage(this.driver);
droppablePage.AcceptNotValidDragAndDrop();
droppablePage.AssertNotAcceptTargetAttributeValue("ui-widget-header ui-droppable");
droppablePage.AcceptNotValidDragAndDrop(280, 40);
droppablePage.AssertNotAcceptTargetAttributeValue("ui-widget-header ui-droppable");
}