Fatal error: Uncaught Error: Class "SebastianBergmann\CodeCoverage\Driver\Xdebug" not found in D:\Application\www\Training\vendor\phpunit\php-code-coverage\src\Driver\HHVM.php:18 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\phpunit\php-code-coverage\src\Driver\HHVM.php on line 18