Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/sigtechc/public_html/agriculture/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/HeaderBagTest.php:16 Stack trace: #0 {main} thrown in /home/sigtechc/public_html/agriculture/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/HeaderBagTest.php on line 16