Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /home/reminder_calling/srg.kuality.ca/extensions/Math/tests/phpunit/integration/MathIntegrationTest.php:10 Stack trace: #0 {main} thrown in /home/reminder_calling/srg.kuality.ca/extensions/Math/tests/phpunit/integration/MathIntegrationTest.php on line 10