Add gRPC and REST API integration tests for reject-disable-node (validator)
Add gRPC and REST API integration tests for reject-disable-node (validator)

zigbee-alliance/distributed-compliance-ledger,zigbee-alliance/distributed-compliance-ledger,zigbee-alliance/distributed-compliance-ledger,zigbee-alliance/distributed-compliance-ledger,zigbee-alliance/distributed-compliance-ledger,zigbee-alliance/distributed-compliance-ledger