Fatal error: Uncaught Error: Class 'GuzzleHttp\Tests\Psr7\BaseTest' not found in /data/htmlwww/workspace/web-tubanzhang/vendor/guzzlehttp/psr7/tests/PumpStreamTest.php:8
Stack trace:
#0 {main}
thrown in /data/htmlwww/workspace/web-tubanzhang/vendor/guzzlehttp/psr7/tests/PumpStreamTest.php on line 8