<?php
-namespace Drupal\system\Tests\Theme;
+namespace Drupal\Tests\system\Kernel\Theme;
-use Drupal\simpletest\WebTestBase;
+use Drupal\KernelTests\KernelTestBase;
/**
* Tests Drupal's Twig filters.
*
* @group Theme
*/
-class TwigFilterTest extends WebTestBase {
+class TwigFilterTest extends KernelTestBase {
/**
* Modules to enable.