use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\serialization\RegisterSerializationClassesCompilerPass;
+use Drupal\Tests\UnitTestCase;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\Serializer\Serializer;
* @coversDefaultClass \Drupal\serialization\RegisterSerializationClassesCompilerPass
* @group serialization
*/
-class RegisterSerializationClassesCompilerPassTest extends \PHPUnit_Framework_TestCase {
+class RegisterSerializationClassesCompilerPassTest extends UnitTestCase {
/**
* @covers ::process