Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\enercard\vendor\symfony\console\Tests\Helper\HelperSetTest.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\enercard\vendor\symfony\console\Tests\Helper\HelperSetTest.php on line 17