Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in E:\xampp\htdocs\api.blank_fe_delete\vendor\sebastian\comparator\tests\ObjectComparatorTest.php:19 Stack trace: #0 {main} thrown in E:\xampp\htdocs\api.blank_fe_delete\vendor\sebastian\comparator\tests\ObjectComparatorTest.php on line 19