LanguageTestBase.php

<?php

namespace Drupal\Tests\language\Kernel;

use Drupal\KernelTests\KernelTestBase;

/**
 * Test for dependency injected language object.
 */
abstract class LanguageTestBase extends KernelTestBase {
    protected static $modules = [
        'system',
        'language',
        'language_test',
    ];
    
    /**
     * The language manager.
     *
     * @var \Drupal\Core\Language\LanguageManagerInterface
     */
    protected $languageManager;
    
    /**
     * The state storage service.
     *
     * @var \Drupal\Core\State\StateInterface
     */
    protected $state;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->installConfig([
            'language',
        ]);
        $this->state = $this->container
            ->get('state');
        // Ensure we are building a new Language object for each test.
        $this->languageManager = $this->container
            ->get('language_manager');
        $this->languageManager
            ->reset();
    }

}