Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24\htdocs\drupal10\vendor\halaxa\json-machine\test\JsonMachineTest\ItemsOptionsTest.php:15 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\drupal10\vendor\halaxa\json-machine\test\JsonMachineTest\ItemsOptionsTest.php on line 15