No extensions loading in re-usable bundle set up

AppKernel

<?php

use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\Kernel;
use Symfony\Component\Routing\RouteCollectionBuilder;


class AppKernel extends Kernel
{
    use MicroKernelTrait;

    /**
     * @return array
     */
    public function registerBundles()
    {
        return array(
            new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
            //new Symfony\Bundle\MonologBundle\MonologBundle(),
            new Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle(),
            new Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
            new MyReviews\ReviewsBundle\MyReviewsReviewsBundle()
        );
    }

    /**
     * @return null

    public function registerContainerConfiguration(LoaderInterface $loader)
    {
        $loader->load(__DIR__.'/config/config_'.$this->getEnvironment().'.yml');
    }
     */

    /**
     * @return string
     */
    public function getCacheDir()
    {
        return sys_get_temp_dir().'/MyReviewsReviews/cache';
    }

    /**
     * @return string
     */
    public function getLogDir()
    {
        return sys_get_temp_dir().'/MyReviewsReviews/logs';
    }

    /**
     * @param RouteCollectionBuilder $routes
     */
    protected function configureRoutes(RouteCollectionBuilder $routes)
    {
        //$routes->import('@ZalasDemoBundle/Controller/', '/', 'annotation');
    }

    /**
     * @param ContainerBuilder $c
     * @param LoaderInterface  $loader
     */
    protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
    {
        //echo "Environment " . $this->environment ; die;
        // load configurations in app kernel from yml files
        $confDir = __DIR__ . '/../../Resources/config';
        if($this->environment == 'test'){
            $loader->load($confDir.'/services_test.yml', 'glob');
        }
        else{
            $loader->load($confDir.'/services.yml', 'glob');
        }

        //echo $this->getCacheDir();die;

        $c->loadFromExtension('framework', [
            'secret' => 'my$ecret',
            'test' => null,
            //'templating' => ['engines' => ['twig']],
            'profiler' => [
                'collect' => false,
            ],
        ]);
//        $c->loadFromExtension('monolog', [
//            'handlers' => [
//                'main' => [
//                    'type' => 'stream',
//                    'path' => '%kernel.logs_dir%/%kernel.environment%.log',
//                    'level' => 'debug',
//                ],
//            ],
//        ]);
        $c->loadFromExtension('doctrine', [
            'dbal' => [
                'driver' => 'pdo_mysql',
                'host' => 'db',
                'dbname' => 'myreviews_test',
                'user'  => 'root',
                'password' => 'example'
            ],
            'orm' => [
                'naming_strategy' => 'doctrine.orm.naming_strategy.underscore',
                'auto_mapping' => true,
                'mappings' => [
                    'MyReviewsReviewsBundle' => [
                        'type' => 'yml',
                        //'dir' => 'Resources/config/doctrine-mapping',
                        'prefix' => 'MyReviews\ReviewsBundle\Service\Review\Entity'
                    ]
                ]
            ]
        ]);

    }
}

Configuration.php

<?php
//DependencyInjection/Configuration.php
namespace MyReviews\ReviewsBundle\DependencyInjection;

use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

/**
 * This is the class that validates and merges configuration from your app/config files.
 *
 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/configuration.html}
 */
class Configuration implements ConfigurationInterface
{
    /**
     * {@inheritdoc}
     */
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('my_reviews_reviews');
        $rootNode
            ->children()
                ->arrayNode('google')
                    ->children()
                        ->variableNode('places_key')->end()
                    ->end()
                ->end()
                ->arrayNode('yelp')
                    ->children()
                        ->variableNode('key')->end()
                    ->end()
                ->end()
                ->arrayNode('cache')
                    ->children()
                        ->integerNode('expire')->end()
                        ->booleanNode('enabled')->end()
                    ->end()
                ->end()
            ->end()
            ;

        // Here you should define the parameters that are allowed to
        // configure your bundle. See the documentation linked above for
        // more information on that topic.

        return $treeBuilder;
    }
}

Error when running behat tests

docker-compose run --rm php bash -c "vendor/bin/behat"
WARNING: The UID variable is not set. Defaulting to a blank string.
Starting myreviewsreviews_db_1 ... done

In YamlFileLoader.php line 701:
                                                                                                                                                                                                                     
  There is no extension able to load the configuration for "my_reviews_reviews" (in /var/www/html/DependencyInjection/../Resources/config/services.yml). Looked for namespace "my_reviews_reviews", found none  
                                                                                                                                                                                                                     

Makefile:20: recipe for target 'integration_tests' failed
make: *** [integration_tests] Error 1

MyReviewsReviewsExtension.php

<?php
//DependencyInjection/MyReviewsReviewsExtension.php
namespace MyReviews\ReviewsBundle\DependencyInjection;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;
use Symfony\Component\DependencyInjection\Loader;

/**
 * This is the class that loads and manages your bundle configuration.
 *
 * @link http://symfony.com/doc/current/cookbook/bundles/extension.html
 */
class MyReviewsReviewsExtension extends Extension
{
    /**
     * {@inheritdoc}
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
        $loader->load('services.yml');

        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);

        if(empty($config['yelp']) || empty($config['google'])){
            // this is for debugging
            var_dump($config);
            $defs = $container->getExtensions();
            foreach($defs as $def)
            {
                echo "\n Definition class " . $def->getAlias() . " namespace " . $def->getNamespace();
            }
            // debugging finished
            throw new \LogicException('MyReviews Reviews - Please provide at least Google and Yelp config/keys.' );
        }

        // https://symfony.com/doc/3.4/bundles/configuration.html
        $yelpAdapterDef = $container->getDefinition('yelp_adapter');
        $yelpAdapterDef->replaceArgument(2, $config['yelp']['key']);

        $googleAdapterDef = $container->getDefinition('google_adapter');
        $googleAdapterDef->replaceArgument(0, $config['google']['places_key']);

    }
}

services.yml

parameters:
  myreviews_reviews.google.places_key: '%env(GOOGLE_PLACES_KEY)%'
  myreviews_reviews.yelp.key: '%env(YELP_FUSION_KEY)%'
  myreviews_reviews.cache.expire: 604800 # 2 days
  myreviews_reviews.cache.enabled: true

services:
  _defaults:
    public: false

  file_cache:
    class: Doctrine\Common\Cache\FilesystemCache
    arguments: [ "%kernel.cache_dir%" ]
  
  yelp_adapter:
    class: MyReviews\ReviewsBundle\Adapter\RealYelpAdapter
    arguments:
      - "@file_cache"
      - "@logger"
      - "%myreviews_reviews.yelp.key%"
      - "%myreviews_reviews.yelp.endpoint_url%"
      - "%myreviews_reviews.yelp.business_path_prefix%"
      - "%myreviews_reviews.yelp.business_path_suffix%"
      - "%myreviews_reviews.yelp.search_path%"

  yelp_transformer:
    class: MyReviews\ReviewsBundle\Service\Review\Transformer\YelpTransformer

  yelp_service:
    class: MyReviews\ReviewsBundle\Service\YelpService
    arguments:
      - "@yelp_adapter"
      - "@yelp_transformer"
  # continues with other services ...