Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/ninja/vendor/chumper/datatable/tests/Columns/DateColumnTest.php:6 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/chumper/datatable/tests/Columns/DateColumnTest.php on line 6