Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /opt/lampp/htdocs/us/vendor/bacon/bacon-qr-code/tests/BaconQrCode/Renderer/Text/TextTest.php:17 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/us/vendor/bacon/bacon-qr-code/tests/BaconQrCode/Renderer/Text/TextTest.php on line 17