Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/thrdmns/public_html/rpc.ether.domains/web3php/vendor/kornrunner/keccak/test/KeccakTest.php:11 Stack trace: #0 {main} thrown in /home/thrdmns/public_html/rpc.ether.domains/web3php/vendor/kornrunner/keccak/test/KeccakTest.php on line 11