Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /Users/ppss/Sites/PPSS/api/vendor/picqer/php-barcode-generator/tests/GeneratorTest.php:5 Stack trace: #0 {main} thrown in /Users/ppss/Sites/PPSS/api/vendor/picqer/php-barcode-generator/tests/GeneratorTest.php on line 5