Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\phpunit\php-token-stream\tests\Token\FunctionTest.php:23 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\phpunit\php-token-stream\tests\Token\FunctionTest.php on line 23