Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\print-bk\vendor\nikic\php-parser\test\PhpParser\Builder\TraitUseAdaptationTest.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print-bk\vendor\nikic\php-parser\test\PhpParser\Builder\TraitUseAdaptationTest.php on line 9