Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/techflixsolution/accordia.livelyfusion.com/vendor/sebastian/cli-parser/tests/ParserTest.php:23 Stack trace: #0 {main} thrown in /home/techflixsolution/accordia.livelyfusion.com/vendor/sebastian/cli-parser/tests/ParserTest.php on line 23