Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home1/aihika/public_html/elephant-society/vendor_old/rmunate/spell-number/test/SpellNumberTest.php:6 Stack trace: #0 {main} thrown in /home1/aihika/public_html/elephant-society/vendor_old/rmunate/spell-number/test/SpellNumberTest.php on line 6