public function testLocaleFromRequestAttribute() {
$request = Request::create('/');
session_name('foo');
$request->cookies
->set('foo', 'value');
$request->attributes
->set('_locale', 'es');
$listener = new LocaleListener('fr');
$event = $this
->getEvent($request);
$listener
->onKernelRequest($event);
$this
->assertEquals('es', $request
->getLocale());
}