Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rccglwuq/events.disio.com.ng/vendor/exercise/htmlpurifier-bundle/tests/CacheWarmer/SerializerCacheWarmerTest.php:10 Stack trace: #0 {main} thrown in /home/rccglwuq/events.disio.com.ng/vendor/exercise/htmlpurifier-bundle/tests/CacheWarmer/SerializerCacheWarmerTest.php on line 10