[Automated-testing] Documentation: Designing for automated testing

[Cyril Hrubis]

Hi!
> > If you think that your common use-case is missing please send me a patch or
> > open a pull-request:
> > https://github.com/SmithChart/Designing-for-Automated-Testing
> >
> > Feel free to forward this documentation to your (hardware) colleagues and
> > your customers.
> 
> I'm missing a requirement for unique ID. If you have more than 1 board
> connected to common host non-unique IDs prevent from working with the
> boards. This mainly applies to automated testing labs/farms. Unique ID
> should apply to UART and possibly other interfaces (MAC address,
> fastboot, DFU, etc.). I'll send a PR for UART but I'm not sure where
> the other IDs should be mentioned.

For a similar reason servers usually have a location led that could be
turned on from a software so that you can easily check which board
is running OS you are talking to.

-- 
Cyril Hrubis
chrubis at suse.cz