Fatal error: Uncaught Error: Class 'Whoops\TestCase' not found in /data/htmlwww/wookteam/vendor/filp/whoops/tests/Whoops/Handler/PlainTextHandlerTest.php:14 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/filp/whoops/tests/Whoops/Handler/PlainTextHandlerTest.php on line 14