Symfony phpunit : authentication with other firewall

I have a problem with my unit test when i wanna test controller with authentication.

My test controller :

class AcademyControllerTest extends WebTestCase {

    private $client = null;

    public function setUp() {
        $this->client = static::createClient();
    }

    public function testSecuredHello() {
        $this->logIn();
        $crawler = $this->client->request('GET', '/academies');

        $this->assertSame(Response::HTTP_OK, $this->client->getResponse()->getStatusCode());
    }

    private function logIn() {
        $session = $this->client->getContainer()->get('session');

        // the firewall context defaults to the firewall name
        $firewallContext = 'default';

        $token = new UsernamePasswordToken('admin', null, $firewallContext, array('ROLE_SUPER_ADMIN'));

        $session->set('_security_' . $firewallContext, serialize($token));
        $session->save();

        $cookie = new Cookie($session->getName(), $session->getId());
        $this->client->getCookieJar()->set($cookie);
    }

}

security.yml :

For my app i use "default" section with guard authentication

 firewalls:
        # disables authentication for assets and the profiler, adapt it according to your needs
        dev:
            pattern: ^/(_(profiler|wdt)|css|images|js)/
            security: false
        default:
            pattern: ^/
            guard:
                authenticators:
                    - app.authenticator
                provider: app
            logout:
                path:   /logout
                target: /
                success_handler: app.authenticator

config_test.yml :

For my test i wanna use http_basic and i redefine "default" section

security:
    firewalls:
        # replace 'main' by the name of your own firewall
        default:
            http_basic: ~ 

When i test with this configuration i have error and this error refere to my guard authentication but it shouldn't use it

If i create new section in security.yml with name "test" like this :

firewalls:
        # disables authentication for assets and the profiler, adapt it according to your needs
        dev:
            pattern: ^/(_(profiler|wdt)|css|images|js)/
            security: false
        /***************NEW ADD************/
        test:
            pattern: ^/
            http_basic: ~

        /***********************************/
        default:
            pattern: ^/
            guard:
                authenticators:
                    - app.authenticator
                provider: app
            logout:
                path:   /logout
                target: /
                success_handler: app.authenticator

And use it in my test controller, it working but my app not using the guard so not working...

please help

==> Symfony 3.4

reference : http://symfony.com/doc/3.4/testing/http_authentication.html