Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\nikic\php-parser\test\PhpParser\JsonDecoderTest.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\nikic\php-parser\test\PhpParser\JsonDecoderTest.php on line 5