VocabularyValidationTest.php

<?php

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

use Drupal\KernelTests\Core\Config\ConfigEntityValidationTestBase;
use Drupal\taxonomy\Entity\Vocabulary;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;

/**
 * Tests validation of vocabulary entities.
 */
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();
  }

}