Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\app_patient_test\vendor\toplan\phpsms\tests\SerializeTest.php:6 Stack trace: #0 {main} thrown in D:\xampp\htdocs\app_patient_test\vendor\toplan\phpsms\tests\SerializeTest.php on line 6