Returns the script to execute when the request must be insulated.
Request $request A Request instance:
Overrides Client::getScript
protected function getScript($request) {
$script = parent::getScript($request);
$script = preg_replace('/(\\->register\\(\\);)/', "\$0\nrequire_once '" . __DIR__ . "/../bootstrap.php';", $script);
return $script;
}