[QoS/test_buffer] [Mellanox] Enhance test_buffer#4350

Merged

neethajohn merged 8 commits intosonic-net:masterfrom keboliu:peer-response-time

Nov 17, 2021

+298-36

Commits on Oct 14, 2021

add back variable which removed by mistake
keboliu
committed

Commits on Nov 15, 2021