MemoryStorageTest.php

<?php

namespace Drupal\KernelTests\Core\KeyValueStore;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\KeyValueStore\KeyValueFactory;

/**
 * Tests the key-value memory storage.
 *
 * @group KeyValueStore
 */
class MemoryStorageTest extends StorageTestBase {
    
    /**
     * {@inheritdoc}
     */
    public function register(ContainerBuilder $container) {
        parent::register($container);
        $container->register('keyvalue.memory', 'Drupal\\Core\\KeyValueStore\\KeyValueMemoryFactory');
        $parameter[KeyValueFactory::DEFAULT_SETTING] = 'keyvalue.memory';
        $container->setParameter('factory.keyvalue', $parameter);
    }

}