Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in E:\www\YPB2C\mod_oth\lib\aliyun-openapi-php-sdk\aliyun-php-sdk-core\UnitTest\Auth\ShaHmac256SignerTest.php:22 Stack trace: #0 {main} thrown in E:\www\YPB2C\mod_oth\lib\aliyun-openapi-php-sdk\aliyun-php-sdk-core\UnitTest\Auth\ShaHmac256SignerTest.php on line 22