Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/luxurytr/public_html/lt8/vendor/cebe/markdown/tests/ParserTest.php:18 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/cebe/markdown/tests/ParserTest.php on line 18