public static function setUpBeforeClass()
 {
     $configuration = new Configuration();
     self::$selenium_test_page_path = $configuration->getSeleniumTestPagePath();
     self::$selenium_execution_context = new SeleniumExecutionContext("firefox", "file://" . self::$selenium_test_page_path, "jQuery");
     self::$selenium_driven_user = new SeleniumDrivenUser(self::$selenium_execution_context);
 }