Demo step from openhie project is not executed in parallel

[jyeshe]

User story

I was validating the Max concurrency feature on a workflow when I noticed that the runs from Lightning demo were not running in parallel.

Details

This doesn't happen though when a job/step takes more than 500ms to execute so maybe it's an irrelevant issue (except if blocks other work orders from other workflows).

Implementation notes

Release notes

Tests

[josephjclark]

Thanks @jyeshe

I suspect that this is just the delay in the worker pulling from the queue.

How can I reproduce this?

[jyeshe]

Hi @josephjclark I have used the webhook from Openhie project workflow created with mix run -e "Lightning.Demo.reset_demo". The runs were created with:
curl -X POST -d '{"a": "webhook"}' http://localhost:4000/i/cae544ab-03dc-4ccc-a09c-fb4edb255d7a