Ensure my MAC entries installed on the DUT are honored and used for routing.

• Connect ATE port-1 to DUT port-1, ATE port-2 to DUT port-2.
• Configure MyStationMAC whose value is 00:1A:11:00:00:01.
• Configure a traffic flow from ATE port-1 to ATE port-2.
• The destination MAC for the flow source is set to MyStationMAC 00:1A:11:00:00:01.
• Validate that packets are forwarded without drops.
• Remove the MyStationMAC configuration.
• Validate that traffic is blackholed.

paths:
   /system/mac-address/config/routing-mac:
   /system/mac-address/state/routing-mac:

rpcs:
  gnmi:
    gNMI.Get:
    gNMI.Set:
    gNMI.Subscribe: