Steps for new behat version.

FeatureContext.php

<?php
class FeatureContext extends DrupalContext implements SnippetAcceptingContext {
  public function iCheckTheRadioButton($labelText) {
    $page = $this->getSession()->getPage();
    foreach ($page->findAll('css', 'label') as $label) {
      if ( $labelText === $label->getText() ) {
        $radioButton = $page->find('css', '#'.$label->getAttribute('for'));
        $value = $radioButton->getAttribute('value');
        $radioButton->selectOption($value, FALSE);
        return;
      }
    }
    throw new \Exception("Radio button with label {$labelText} not found");
  }

  /**
   * @Then I should see :value option in the repositories list
   */
  public function iShouldSeeOptionInTheRepositoriesList($value) {
    $selectElement = $this->getSession()->getPage()->find('named', array('select', 'og_repo[und][0][default]'));
    $options = $selectElement->findAll('css', 'option');
    foreach ($options as $option) {
      if ($option->getText() == $value) {
        return;
      }
    }
    throw new \Exception("{$value} was not found in the repositories list");
  }

  /**
   * @Then I should not see :value option in the repositories list
   */
  public function iShouldNotSeeOptionInTheRepositoriesList($value) {
    $selectElement = $this->getSession()->getPage()->find('named', array('select', 'og_repo[und][0][default]'));
    $options = $selectElement->findAll('css', 'option');
    foreach ($options as $option) {
      if ($option->getText() == $value) {
        throw new \Exception("{$value} was not found in the repositories list");
      }
    }
  }
}