Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\laragon\www\infinity\vendor\mustangostang\spyc\tests\RoundTripTest.php:6 Stack trace: #0 {main} thrown in C:\laragon\www\infinity\vendor\mustangostang\spyc\tests\RoundTripTest.php on line 6