Unit testing how to know if the post result has success

LoginControllerTest.php

<?php

namespace ApplicationTest\Controller;

use Zend\Test\PHPUnit\Controller\AbstractHttpControllerTestCase;

class LoginControllerTeste extends AbstractHttpControllerTestCase
{
    public function setUp()
    {
        $this->setApplicationConfig(
            include 'C:/wamp/www/extranet/config/application.config.php'
        );
        parent::setUp();
    }

    public function testAcaoLogin()
    {
        $this->dispatch('/login');
        $this->assertResponseStatusCode(200);

        $this->assertModuleName('Application');
        $this->assertControllerName('Application\Controller\Login');
        $this->assertControllerClass('LoginController');
        $this->assertMatchedRouteName('login');

        $dadosLogin = array("email" => "[email protected]", "senha" => "123456");

        $this->dispatch('/login', 'POST', $dadosLogin);

        $this->assertRedirectTo('/login/');
    }

}