message: Remove leftover todo in the synchronizer loop.
diff: @@ -399,14 +399,14 @@ where
  Result<(PreValidatedVertex<Ctx>, Vec<HighwayMessage<Ctx>>), (Vertex<Ctx>, VertexError)>,
  TestRunError<Ctx>,
  > {
  + let mut hwms: Vec<HighwayMessage<Ctx>> = vec![];
  +
  + loop {
  let validator = self
  .virtual_net
  .get_validator_mut(&recipient)
  .ok_or_else(|| TestRunError::MissingValidator(recipient))?;
  - let mut hwms: Vec<HighwayMessage<Ctx>> = todo!();
  -
  - loop {
  match validator.consensus.highway.missing_dependency(&pvv) {
  None => return Ok(Ok((pvv, hwms))),
  Some(d) => match self.synchronize_dependency(d, recipient, sender)? {
  