Behat\Behat\ApplicationFactory::getConfigPath PHP Method

    protected function getConfigPath()
    {
        $cwd = rtrim(getcwd(), DIRECTORY_SEPARATOR);
        $paths = array_filter(array($cwd . DIRECTORY_SEPARATOR . 'behat.yml', $cwd . DIRECTORY_SEPARATOR . 'behat.yml.dist', $cwd . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'behat.yml', $cwd . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'behat.yml.dist'), 'is_file');
        if (count($paths)) {
            return current($paths);
        }
        return null;
    }