Eloquent\Phony\Simpletest\SimpletestFacadeDriver::instance PHP Method

    public static function instance()
    {
        if (!self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

 /**
  * Get the facade driver.
  *
  * @return FacadeDriver The facade driver.
  */
 protected static function driver()
 {
     return SimpletestFacadeDriver::instance();
 }