coverage fails at high freq

[vagetablechicken]

Fails on
2023-07-31T09:40:37.5940558Z 69 - sql_cmd_test (Failed)
2023-07-31T09:40:37.5940959Z 88 - sql_cluster_availability_test (Failed)

1. catch failed status, the log is hard to debug now
   sql_cmd_test DBSDK/DBSDKTest.LongWindowsCleanup/1 said demo1 deployment exists in tablet, but drop succ in the last time. Check about tablet sp_cache_
   cicd workflow ~40m 39s may be this failure
   https://github.com/4paradigm/OpenMLDB/actions/runs/5722199470/job/15504895984

[vagetablechicken]

may get segfault when SqlCmdTest.ShowNameserverJob
a main failed example https://github.com/4paradigm/OpenMLDB/actions/runs/5528684958/job/14970648525