Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/opcon/src/dat/lib/vendor/symfony/console/Tests/Formatter/OutputFormatterStyleStackTest.php:17 Stack trace: #0 {main} thrown in /home/opcon/src/dat/lib/vendor/symfony/console/Tests/Formatter/OutputFormatterStyleStackTest.php on line 17