* fix compact bug and change some test case level from 2 to 1
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* format code
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* change wrong test case
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>

* fix ping test case bug
Signed-off-by: Ngodchen0212 <qingxiang.chen@zilliz.com>