Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/managerm/public_html/rijosa/vendor/mike42/escpos-php/test/unit/EscposPrintBufferTest.php:15 Stack trace: #0 {main} thrown in /home/managerm/public_html/rijosa/vendor/mike42/escpos-php/test/unit/EscposPrintBufferTest.php on line 15