public function doSave($id, $data, $lifeTime = null)
 {
     $this->doSaveHasBeenCalled = true;
     $this->id = $id;
     $this->data = $data;
     $this->lifeTime = $lifeTime;
     return parent::doSave($id, $data, $lifeTime);
 }
 public function doSave($id, $data, $lifeTime = 0)
 {
     return parent::doSave($id, $data, $lifeTime);
 }