/**
  * @throws WebDriverException
  */
 public function quit() {
   try {
     $this->driver->quit();
   } catch (WebDriverException $exception) {
     $this->dispatchOnException($exception);
   }
 }
 /** 
  * Tear Down.
  *
  */
 public function tearDown()
 {
     $this->driver->quit();
     parent::tearDown();
 }