Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\phpunit\php-code-coverage\tests\TestCase.php:23 Stack trace: #0 D:\xampp\htdocs\erp_api\vendor\phpunit\php-code-coverage\tests\PHP\CodeCoverage\Report\FactoryTest.php(19): require_once() #1 {main} thrown in D:\xampp\htdocs\erp_api\vendor\phpunit\php-code-coverage\tests\TestCase.php on line 23