Expanded class hierarchy of PhpArrayDumperTest in Drupal 9
- class \Drupal\Tests\Component\DependencyInjection\Dumper\OptimizedPhpArrayDumperTest extends \PHPUnit\Framework\TestCase uses PhpUnitCompatibilityTrait
- class \Drupal\Tests\Component\DependencyInjection\Dumper\PhpArrayDumperTest