Warning: Unsupported declare 'strict_types' in C:\Apache24\htdocs\drupal\core\modules\jsonapi\tests\src\Functional\JsonApiRequestTestTrait.php on line 3

Fatal error: Trait 'Drupal\Tests\ApiRequestTrait' not found in C:\Apache24\htdocs\drupal\core\modules\jsonapi\tests\src\Functional\JsonApiRequestTestTrait.php on line 15