Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/kingelearn/public_html/vendor/sabberworm/php-css-parser/tests/Sabberworm/CSS/RuleSet/DeclarationBlockTest.php:9
Stack trace:
#0 {main}
thrown in /home/kingelearn/public_html/vendor/sabberworm/php-css-parser/tests/Sabberworm/CSS/RuleSet/DeclarationBlockTest.php on line 9