Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\phpunit\phpunit-mock-objects\tests\MockObjectTest.php:58 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\phpunit\phpunit-mock-objects\tests\MockObjectTest.php on line 58