SearchIndexTest.php

<?php

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

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests the service "search.index".
 *
 * @group search
 */
class SearchIndexTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'search',
  ];
  
  /**
   * Test that the service "search.index" is backend overridable.
   */
  public function testSearchIndexServiceIsBackendOverridable() : void {
    $definition = $this->container
      ->getDefinition('search.index');
    $this->assertTrue($definition->hasTag('backend_overridable'));
  }

}