Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\Apache24\htdocs\lmnapi\vendor\sebastian\comparator\tests\SplObjectStorageComparatorTest.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\lmnapi\vendor\sebastian\comparator\tests\SplObjectStorageComparatorTest.php on line 24