Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\01-06-2025\bateriasec\vendor\sebastian\diff\tests\ParserTest.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\01-06-2025\bateriasec\vendor\sebastian\diff\tests\ParserTest.php on line 23