Fatal error: Uncaught Error: Class "SpecialPageTestBase" not found in C:\xampp\htdocs\extensions\Linter\tests\phpunit\SpecialLintErrorsTest.php:37 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\Linter\tests\phpunit\SpecialLintErrorsTest.php on line 37