bug#41668: Failing test: gui-installed-desktop-os-encrypted

[Mathieu Othacehe]

Hello,

> Is it deterministic?  Same story with “gui-installed-os”?
>
> I guess we can add more ‘syslog’ statements in the installer around the
> place where we restart services.  Or we could run the installer entirely
> under strace.

Now that the installation is done in a container, this one doesn't show
up anymore. I also added further fixes with
3ad68ec251a008d6f5875f9235e75f5ce6399f15.

All the installation tests are now operational.

Thanks,

Mathieu