Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/lalajiexim/gym.lalajiexim.in/vendor/league/oauth1-client/tests/RsaClientCredentialsTest.php:9 Stack trace: #0 {main} thrown in /home/lalajiexim/gym.lalajiexim.in/vendor/league/oauth1-client/tests/RsaClientCredentialsTest.php on line 9