Fix qos test issues in watermark and pfc on Mellanox platform#2174

Merged

neethajohn merged 2 commits intosonic-net:masterfrom

stephenxs:fix-qos-watermark-pfc

Sep 5, 2020

Commits on Sep 1, 2020

Tolerance the deviation in headroom watermark

stephenxs
authored and
Stephen Sun
committed
To introduce margin to tolerence the deviation introduce in 400G port.
Stephen Sun
committed