Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/oplineac/public_html/app_old_20220920/vendor/sabberworm/php-css-parser/tests/Sabberworm/CSS/OutputFormatTest.php:27 Stack trace: #0 {main} thrown in /home/oplineac/public_html/app_old_20220920/vendor/sabberworm/php-css-parser/tests/Sabberworm/CSS/OutputFormatTest.php on line 27