Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /mnt/VenusReview/review/lyrasoft/dva/master/vendor/aws/aws-sdk-php/tests/PhpHashTest.php:10 Stack trace: #0 {main} thrown in /mnt/VenusReview/review/lyrasoft/dva/master/vendor/aws/aws-sdk-php/tests/PhpHashTest.php on line 10