Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/changeco/public_html/vendor/psy/psysh/test/VersionUpdater/NoopCheckerTest.php:17
Stack trace:
#0 {main}
thrown in /home/changeco/public_html/vendor/psy/psysh/test/VersionUpdater/NoopCheckerTest.php on line 17