Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\vendor\mews\captcha\tests\Captcha\CaptchaTest.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\mews\captcha\tests\Captcha\CaptchaTest.php on line 7