Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\Landaweb\webs\serverarcos\vendor\picqer\php-barcode-generator\tests\BarcodePngTest.php:5 Stack trace: #0 {main} thrown in C:\Landaweb\webs\serverarcos\vendor\picqer\php-barcode-generator\tests\BarcodePngTest.php on line 5