Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in E:\xampp\htdocs\resize_image\vendor\psr\log\Psr\Log\Test\LoggerInterfaceTest.php:15 Stack trace: #0 {main} thrown in E:\xampp\htdocs\resize_image\vendor\psr\log\Psr\Log\Test\LoggerInterfaceTest.php on line 15