FeatureContext2.x.php

<?php
use Behat\Behat\Context\ClosuredContextInterface,
    Behat\Behat\Context\TranslatedContextInterface,
    Behat\Behat\Context\BehatContext,
    Behat\Behat\Exception\PendingException;
use Behat\Gherkin\Node\PyStringNode,
    Behat\Gherkin\Node\TableNode,
    Behat\MinkExtension\Context\MinkContext,
    Behat\Behat\Context\Step,
    Behat\Behat\Event\StepEvent;

/**
 * Features context.
 */
class FeatureContext extends MinkContext
{
    /**
     * @Given /^I am logged in as "([^"]*)" with password "([^"]*)"$/
     */
    public function iAmLoggedInAsWithPassword($email, $password)
    {
        return array(
            new Step\Given('I am on "/"'),
            new Step\Given('I should see "Login"'),
            new Step\When('I fill in "identity" with "'.$email.'"'),
            new Step\When('I fill in "credential" with "'.$password.'"'),
            new Step\When('I press "submitbtn"'),
        );
    }
}

FeatureContext3.x.php

<?php

use Behat\Behat\Context\SnippetAcceptingContext;
use Behat\Gherkin\Node\PyStringNode;
use Behat\Gherkin\Node\TableNode;
use Behat\Testwork\Tester\Result\TestResult;
use Behat\Behat\Definition\Call;
use Behat\MinkExtension\Context\MinkContext;

/**
 * Behat context class.
 */
class FeatureContext extends MinkContext
{

    /**
     * @Given /^I am redirected to the login page$/
     */
    public function iAmRedirectedToTheLoginPage()
    {
        return array(
            new Call\Given('I am on "/"'),
            new Call\Given('I should see "Login"'),
            new Call\When('I follow "Login"'),
        );
    }
}