Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/Library-Exercises/01-Library/vendor/spipu/html2pdf/Tests/CrossVersionCompatibility/PhpUnit5/ExceptionFormatterTestCase.php:17
Stack trace:
#0 {main}
thrown in /var/www/Library-Exercises/01-Library/vendor/spipu/html2pdf/Tests/CrossVersionCompatibility/PhpUnit5/ExceptionFormatterTestCase.php on line 17