message: [cluster-test] Set emit-to-validator true by default
  Closes:
  Approved by: andll
diff: @@ -474,7 +474,8 @@ impl ClusterTestRunner {
  wait_committed: !args.burst,
  },
  };
  - let emit_to_validator = if cluster.fullnode_instances().is_empty() {
  + let emit_to_validator =
  + if cluster.fullnode_instances().len() < cluster.validator_instances().len() {
  true
  } else {
  args.emit_to_validator.unwrap_or(false)
  