Validate the P4RT server handles Metadata set in Table Entry correctly.

• Enable P4RT on a single FAP by configuring an ID on the device and one or more interfaces.
• Instantiate a primary P4RT client and execute Client Arbitration and Set the Forwarding Pipeline using the wbb.p4info.pb.txt file.
• Write a TableEntry with Metadata field set and validate correct Metadata is retrieved in ReadRequest for the below scenarios:
  • Using Update Type as INSERT, Write a TableEntry with the Metadata field set, and then validate correct Metadata is returned using Read.
  • Using Update Type as MODIFY, update the existing TableEntry with a change in the Metadata field, and then validate correct Metadata is returned using Read.
  • Using Update Type as DELETE, delete the existing TableEntry and then validate the deletion of the TableEntry using Read.

• P4RT Proto