Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\symfony\var-dumper\Symfony\Component\VarDumper\Tests\HtmlDumperTest.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\var-dumper\Symfony\Component\VarDumper\Tests\HtmlDumperTest.php on line 20