public function testStandardNextBack()
{
$client = static::createClient(array(), array('PHP_AUTH_USER' => 'UTC001', 'PHP_AUTH_PW' => 'unittest'));
$crawler = $this->_goToSummary($client);
$this->assertEquals(1, $crawler->filter('.checkout-standard-summary')->count());
$link = $crawler->filter('.checkout-standard .btn-back')->link();
$crawler = $client->click($link);
$this->assertEquals(1, $crawler->filter('.checkout-standard-payment')->count());
$link = $crawler->filter('.checkout-standard .btn-back')->link();
$crawler = $client->click($link);
$this->assertEquals(1, $crawler->filter('.checkout-standard-delivery')->count());
$link = $crawler->filter('.checkout-standard .btn-back')->link();
$crawler = $client->click($link);
$this->assertEquals(1, $crawler->filter('.checkout-standard-address')->count());
$form = $crawler->filter('.checkout-standard .btn-action')->form();
$crawler = $client->submit($form);
$this->assertEquals(1, $crawler->filter('.checkout-standard-delivery')->count());
$form = $crawler->filter('.checkout-standard .btn-action')->form();
$crawler = $client->submit($form);
$this->assertEquals(1, $crawler->filter('.checkout-standard-payment')->count());
$form = $crawler->filter('.checkout-standard .btn-action')->form();
$crawler = $client->submit($form);
$this->assertEquals(1, $crawler->filter('.checkout-standard-summary')->count());
}