function tearDown()
 {
     $_GET = $this->old_get;
     $_SERVER = $this->old_server;
     parent::tearDown();
 }
 function tearDown()
 {
     lmb_use_charset_driver($this->prev_driver);
     parent::tearDown();
 }
 function tearDown()
 {
     parent::tearDown();
     $_SERVER["HTTP_REFERER"] = $this->prev_ref;
 }