Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/slsparamedicalco/public_html/vendor/psy/psysh/test/Psy/Test/ShellTest.php:21 Stack trace: #0 {main} thrown in /home/slsparamedicalco/public_html/vendor/psy/psysh/test/Psy/Test/ShellTest.php on line 21