Add following MRR tests:

ip4
├── 10ge2p1x710-ethip4-ip4base-copwhtlistbase-mrr.robot
├── 10ge2p1x710-ethip4-ip4base-iacldstbase-mrr.robot
├── 10ge2p1x710-ethip4-ip4base-ipolicemarkbase-mrr.robot
├── 10ge2p1x710-ethip4-ip4base-mrr.robot
├── 10ge2p1x710-ethip4-ip4scale200k-mrr.robot
├── 10ge2p1x710-ethip4-ip4scale20k-mrr.robot
├── 10ge2p1x710-ethip4-ip4scale2m-mrr.robot
├── 10ge2p1x710-ethip4udp-ip4base-iacl1sf-10kflows-mrr.robot
├── 10ge2p1x710-ethip4udp-ip4base-iacl1sl-10kflows-mrr.robot
├── 10ge2p1x710-ethip4udp-ip4base-iacl50sf-10kflows-mrr.robot
├── 10ge2p1x710-ethip4udp-ip4base-iacl50sl-10kflows-mrr.robot
├── 10ge2p1x710-ethip4udp-ip4base-nat44-mrr.robot
└── 10ge2p1x710-ethip4udp-ip4scale1000-udpsrcscale15-nat44-mrr.robot

ip4_tunnels
├── 10ge2p1x710-ethip4lispip4-ip4base-mrr.robot
├── 10ge2p1x710-ethip4vxlan-l2bdbasemaclrn-mrr.robot
└── 10ge2p1x710-ethip4vxlan-l2xcbase-mrr.robot