Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\Apache24\htdocs\vendor.old2\symfony\psr-http-message-bridge\Tests\Factory\AbstractHttpMessageFactoryTest.php:27 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old2\symfony\psr-http-message-bridge\Tests\Factory\AbstractHttpMessageFactoryTest.php on line 27