Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home2/santhos2/public_html/smart-matrix.firstmatrix.in.net/vendor/shalvah/clara/tests/ClaraTest.php:10 Stack trace: #0 {main} thrown in /home2/santhos2/public_html/smart-matrix.firstmatrix.in.net/vendor/shalvah/clara/tests/ClaraTest.php on line 10