Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24\htdocs\drupal10\vendor\symfony\validator\Test\ConstraintValidatorTestCase.php:45 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\drupal10\vendor\symfony\validator\Test\ConstraintValidatorTestCase.php on line 45