[PATCH] doc/contributing: update test guidelines for meson changes

[Thomas Monjalon]

02/10/2023 14:44, Bruce Richardson:
> With the meson test suites being reworked to be automatically generated,
> rather than having to be hard-coded in the meson.build file, we need to
> update our contributing guidelines to take account of this change.
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>

Applied, thanks.