Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\es-kelly.com\system_info\plugin\PHPMailer\test\phpmailerTest.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\es-kelly.com\system_info\plugin\PHPMailer\test\phpmailerTest.php on line 22