Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rykfgln/www/query/tests/Atom/Security/SafetyDataStructureVariableTest.php:18 Stack trace: #0 {main} thrown in /home/rykfgln/www/query/tests/Atom/Security/SafetyDataStructureVariableTest.php on line 18