Fatal error: Uncaught Error: Class 'yii\codeception\DbTestCase' not found in /data/htmlwww/workspace/web-tubanzhang/tests/codeception/common/unit/DbTestCase.php:8
Stack trace:
#0 {main}
thrown in /data/htmlwww/workspace/web-tubanzhang/tests/codeception/common/unit/DbTestCase.php on line 8