VocabularyValidationTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\taxonomy\Kernel;

use Drupal\KernelTests\Core\Config\ConfigEntityValidationTestBase;
use Drupal\taxonomy\Entity\Vocabulary;

/**
 * Tests validation of vocabulary entities.
 *
 * @group taxonomy
 */
class VocabularyValidationTest extends ConfigEntityValidationTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static array $propertiesWithOptionalValues = [
        'description',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'taxonomy',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->entity = Vocabulary::create([
            'vid' => 'test',
            'name' => 'Test',
        ]);
        $this->entity
            ->save();
    }

}