Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\Server\ProjectJI\vendor\aws\aws-sdk-php\tests\Arn\ArnParserTest.php:16 Stack trace: #0 {main} thrown in D:\Server\ProjectJI\vendor\aws\aws-sdk-php\tests\Arn\ArnParserTest.php on line 16