[PATCH] tests: assume c source files are utf-8 encoded

[Tyler Retzlaff]

On Tue, Mar 05, 2024 at 02:46:15PM +0100, Robin Jarry wrote:
> Instead of relying on the default locale from the environment (LC_ALL),
> explicitly read the files as utf-8 encoded.
> 
> Fixes: 0aeaf75df879 ("test: define unit tests suites based on test types")
> 
> Signed-off-by: Robin Jarry <rjarry at redhat.com>
> ---

Acked-by: Tyler Retzlaff <roretzla at linux.microsoft.com>