Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\laragon\htdocs\eloboost24\vendor\khill\php-duration\test\DurationTest.php:5 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\vendor\khill\php-duration\test\DurationTest.php on line 5