Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/lidia/vendor/paragonie/constant_time_encoding/tests/EncodingTest.php:11
Stack trace:
#0 {main}
thrown in /home/app/htdocs/lidia/vendor/paragonie/constant_time_encoding/tests/EncodingTest.php on line 11