message: Re-organize unit tests.
diff: @@ -284,6 +284,9 @@ mod tests {
  assert_eq!(str, AgentWorkerCommand::Connect(expected_cmd).to_json().unwrap());
  }
  + mod agent_worker {
  + use super::*;
  +
  #[test]
  fn agent_worker_connect_works() {
  ::utils::logger::LoggerUtils::init();
  @@ -361,6 +364,7 @@ mod tests {
  _ => panic!("unexpected cmd {:?}", cmd),
  }
  }
  + }
  #[test]
  fn remote_agent_connect_works() {
  