Send yourself to a non existant route. The file should be in the file bag...it's missing :(

UploadTest

<?php

use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;

class UploadTest extends WebTestCase
{

    public function testNewPhotos()
    {
        $client = $this->createClient();
        $client->request('POST', '/submit', array('name' => 'Fabien'), array('photo' => __FILE__));
        
        $this->assertEquals(1, count($client->getRequest()->files->all()));
    }
}