public function process(ContainerBuilder $container)
    {
        // Connect to database and build manifest
        $frameworkPath = $container->getParameter('behat.silverstripe_extension.framework_path');
        $_GET['flush'] = 1;
        require_once $frameworkPath . '/core/Core.php';
        
        if(class_exists('TestRunner')) {
            // 3.x compat
            \TestRunner::use_test_manifest();
        } else {
            \SapphireTest::use_test_manifest();
        }

        unset($_GET['flush']);

        // Remove the error handler so that PHPUnit can add its own
        restore_error_handler();
    }