getClient(); //You'll want to pull the Guzzle client out of Goutte to inherit its defaults $guzzle->setDefaultOption('verify', false); //Set the certificate at @mtdowling recommends $client->setClient($guzzle); //Tell Goutte to use your modified Guzzle client $crawler = $client->request('GET', $url); $form = $crawler->filter("#catalog-create-account")->form(); $crawler = $client->submit($form, array( 'firstname' => "Rick", 'lastname' => "James", 'email_address' => $email, 'state' => '62', 'country' => '203', 'password' => "testme", 'confirmation' => "testme", 'action' => 'process' )); $this->assertContains('Your Account Has Been Created!', $crawler->text()); } }