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