Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/opcon/src/dat/lib/vendor/symfony/console/Tests/Helper/FormatterHelperTest.php:16 Stack trace: #0 {main} thrown in /home/opcon/src/dat/lib/vendor/symfony/console/Tests/Helper/FormatterHelperTest.php on line 16