Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/sigicov_sign/shared/PHPRtfLite/tests/PHPRtfLiteSampleTestCase.php:9 Stack trace: #0 {main} thrown in /var/www/sigicov_sign/shared/PHPRtfLite/tests/PHPRtfLiteSampleTestCase.php on line 9