Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24\htdocs\laravelcurso\vendor\symfony\debug\Tests\ErrorHandlerTest.php:26 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\laravelcurso\vendor\symfony\debug\Tests\ErrorHandlerTest.php on line 26