public function scenario($bind = 'admin_product_csv_import', $original_name = 'products.csv')
{
$file = new UploadedFile($this->filepath, $original_name, 'text/csv', null, null, true);
$crawler = $this->client->request('POST', $this->app->path($bind), array('admin_csv_import' => array('_token' => 'dummy', 'import_file' => $file)), array('import_file' => $file));
return $crawler;
}