Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24\htdocs\cms_upgrade\vendor\consolidation\site-process\tests\RealtimeOutputHandlerTest.php:13 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\consolidation\site-process\tests\RealtimeOutputHandlerTest.php on line 13