Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/huionetr/public_html/vendor/sebastian/diff/tests/Exception/ConfigurationExceptionTest.php:18
Stack trace:
#0 {main}
thrown in /home/huionetr/public_html/vendor/sebastian/diff/tests/Exception/ConfigurationExceptionTest.php on line 18