Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/drupal/sites/energiatalgud/vendor/symfony/validator/Test/ConstraintValidatorTestCase.php:39 Stack trace: #0 {main} thrown in /var/www/drupal/sites/energiatalgud/vendor/symfony/validator/Test/ConstraintValidatorTestCase.php on line 39