Using the Behat Drupal Extension on sites with basic auth

FeatureContext.php

<?php
  /**
   * Run before every scenario.
   *
   * @BeforeScenario
   */
  public function beforeScenario() {
    if ($basic_auth = $this->getDrupalParameter('basic_auth')) {
      $driver = $this->getSession()->getDriver();
      if ($driver instanceof Selenium2Driver) {
        // Continue if this is a Selenium driver, since this is handled in
        // locatePath().
      }
      else {
        // Setup basic auth.
        $this->getSession()->setBasicAuth($basic_auth['username'], $basic_auth['password']);
      }
    }
  }
  
 /**
   * Override MinkContext::locatePath() to work around Selenium not supporting
   * basic auth.
   */
  public function locatePath($path) {
    $driver = $this->getSession()->getDriver();
    if ($driver instanceof Selenium2Driver && $basic_auth = $this->getDrupalParameter('basic_auth'))\
 {
      // Add the basic auth parameters to the base url. This only works for
      // Firefox.
      $startUrl = rtrim($this->getMinkParameter('base_url'), '/') . '/';
      $startUrl = str_replace('://', '://' . $basic_auth['username'] . ':' . $basic_auth['password']\
 . '@', $startUrl);
      return 0 !== strpos($path, 'http') ? $startUrl . ltrim($path, '/') : $path;
    }
    else {
      return parent::locatePath($path);
    }
  }