### What this PR does / why we need it? test kv data transfer contains connect,pipe,buffer ### Does this PR introduce _any_ user-facing change? N/A ### How was this patch tested? CI passed with new added test. --------- Signed-off-by: lixudong <lixudong@cmss.chinamobile.com> Signed-off-by: MengqingCao <cmq0113@163.com> Co-authored-by: lixudong <lixudong@cmss.chinamobile.com> Co-authored-by: MengqingCao <cmq0113@163.com>