Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/syasiacoxf/ezpool/vendor/myclabs/deep-copy/tests/DeepCopyTest/DeepCopyTest.php:38 Stack trace: #0 {main} thrown in /home/syasiacoxf/ezpool/vendor/myclabs/deep-copy/tests/DeepCopyTest/DeepCopyTest.php on line 38