private function loadInitializer(ContainerBuilder $container, $app)
    {
        $definition = new Definition('Laracasts\Behat\Context\KernelAwareInitializer', [$app]);

        $definition->addTag(EventDispatcherExtension::SUBSCRIBER_TAG, ['priority' => 0]);
        $definition->addTag(ContextExtension::INITIALIZER_TAG, ['priority' => 0]);

        $container->setDefinition('laravel.initializer', $definition);
    }