Fatal error: Uncaught Error: Class 'Drupal\Tests\UnitTestCase' not found in /var/www/html/tmp/contrib/entity/tests/src/Unit/UncacheableEntityPermissionProviderTest.php:17 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/entity/tests/src/Unit/UncacheableEntityPermissionProviderTest.php on line 17