Fatal error: Uncaught Error: Failed opening required 'PHPUnit/Framework.php' (include_path='.:/usr/share/php') in /var/www/sigicov_sign/shared/PHPRtfLite/tests/SampleTest/ParagraphsFontsSampleTest.php:2 Stack trace: #0 {main} thrown in /var/www/sigicov_sign/shared/PHPRtfLite/tests/SampleTest/ParagraphsFontsSampleTest.php on line 2