Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\rabani-mobile-api\vendor\midtrans\midtrans-php\tests\integration\IntegrationTest.php:7 Stack trace: #0 C:\xampp\htdocs\rabani-mobile-api\vendor\midtrans\midtrans-php\tests\integration\CoreApiIntegrationTest.php(8): require_once() #1 {main} thrown in C:\xampp\htdocs\rabani-mobile-api\vendor\midtrans\midtrans-php\tests\integration\IntegrationTest.php on line 7