Add sleep to avoid test fail (#5005)
Add sleep to avoid test fail (#5005)

Add sleep to avoid test fail in delete replication rule case
wy65701436/harbor,steven-zou/harbor,reasonerjt/harbor,reasonerjt/harbor,reasonerjt/harbor,wy65701436/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,wy65701436/harbor,steven-zou/harbor,steven-zou/harbor,steven-zou/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,steven-zou/harbor,steven-zou/harbor