Add test for protocol.
Add test for protocol.

Trying out using python lib to compare the byte arrays expected.

EranOfer/KafkaNetClient,PKRoma/kafka-net,bridgewell/kafka-net,martijnhoekstra/kafka-net,aNutForAJarOfTuna/kafka-net,CenturyLinkCloud/kafka-net,BDeus/KafkaNetClient,nightkid1027/kafka-net,Jroland/kafka-net,geffzhang/kafka-net,gigya/KafkaNetClient