Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/hasonraj/public_html/vendor/symfony/var-dumper/Tests/CliDumperTest.php:21 Stack trace: #0 {main} thrown in /home/hasonraj/public_html/vendor/symfony/var-dumper/Tests/CliDumperTest.php on line 21