namespace Drupal\Tests\Component\FileCache;
use Drupal\Component\FileCache\FileCache;
-use Drupal\Tests\UnitTestCase;
+use PHPUnit\Framework\TestCase;
/**
* @coversDefaultClass \Drupal\Component\FileCache\FileCache
* @group FileCache
*/
-class FileCacheTest extends UnitTestCase {
+class FileCacheTest extends TestCase {
/**
* FileCache object used for the tests.