Behat redirects

FeatureContext.php

<?php

namespace Context;

use Behat\Behat\Context\Context;
use Behat\Behat\Context\SnippetAcceptingContext;
use Knp\FriendlyContexts\Context\RawPageContext;

class FeatureContext extends RawPageContext implements Context, SnippetAcceptingContext
{
    /**
     * @Then I should be redirected to :page page
     */

    public function iAmRedirected($page, $arguments = null)
    {
        $headers = $this->getSession()->getResponseHeaders();

        if (empty($headers['Location']) && empty($headers['location'])) {
            throw new \RuntimeException('The response should contain a "Location" header');
        }

        $header = empty($headers['Location']) ? $headers['location'] : $headers['Location'];
        if (is_array($header)) {
            $header = current($header);


            self::assertEquals($header, $this->locatePath($this->getPagePath($page, $arguments)), 'The "Location" header points to the correct URI');
        }

        $client = $this->getClient();

        $client->followRedirects(true);
        $client->followRedirect();
    }

    public static function assertEquals($actual, $expected, $exceptionMessage = null)
    {
        if ($expected !== $actual) {
            throw new \RuntimeException($exceptionMessage? $exceptionMessage : "$expected is not equal to $actual.");
        }
    }
}