Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/tijsverkoyen/css-to-inline-styles/tests/Css/ProcessorTest.php:8
Stack trace:
#0 {main}
thrown in /home/app/htdocs/message_gateway_20231016/vendor/tijsverkoyen/css-to-inline-styles/tests/Css/ProcessorTest.php on line 8