Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\persada\assets\php\php-mailer\test\phpmailerLangTest.php:22 Stack trace: #0 {main} thrown in D:\xampp\htdocs\persada\assets\php\php-mailer\test\phpmailerLangTest.php on line 22