public function Test_of_decrementPositionsOnHigherItems()
{
$TodoItems = new TodoItem();
$TodoItems->transactionStart();
$this->assertTrue($TodoItems->list->decrementPositionsOnHigherItems(10));
$todo_list = $this->_getTodoList();
$this->assertEqual($todo_list[0], 'Email Hilario with new product specs');
$this->assertEqual($todo_list[9], 'Task number 10');
$TodoItems->transactionFail();
$TodoItems->transactionComplete();
}