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

Fatal error: Class 'Drupal\KernelTests\KernelTestBase' not found in C:\Apache24\htdocs\drupal\core\modules\jsonapi\tests\src\Kernel\JsonapiKernelTestBase.php on line 17