Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /home/caferoyma/public_html/mypymes/post_printer_server/vendor/mike42/escpos-php/test/integration/ExampleTest.php:4 Stack trace: #0 {main} thrown in /home/caferoyma/public_html/mypymes/post_printer_server/vendor/mike42/escpos-php/test/integration/ExampleTest.php on line 4