Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\aws\aws-crt-php\tests\ErrorTest.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\aws\aws-crt-php\tests\ErrorTest.php on line 8