* remove disconnect test case
Signed-off-by: Nzw <zw@zilliz.com>

* stable case
Signed-off-by: Nzw <zw@zilliz.com>

* re-trigger
Signed-off-by: Nzw <zw@zilliz.com>

* update cases
Signed-off-by: Nzw <zw@zilliz.com>