Fatal error: Uncaught Error: Class "SebastianBergmann\CodeCoverage\Test\TestSize\TestSize" not found in C:\xampp\htdocs\batuhansunar\vendor\phpunit\php-code-coverage\src\TestSize\Unknown.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\batuhansunar\vendor\phpunit\php-code-coverage\src\TestSize\Unknown.php on line 15