Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\aws\aws-sdk-php\tests\Exception\CouldNotCreateChecksumExceptionTest.php:9 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\aws\aws-sdk-php\tests\Exception\CouldNotCreateChecksumExceptionTest.php on line 9