Tests: debug-info: compare output of `CompleteSrc`

This source is intended to produce all type for fields and options so to
test that the `flt.lttng-utils.debug-info` copies them accurately.

On the long term, I see this CompleteSrc containing cases of all trace
IR options of all metadata objects (e.g. stream class, trace class,
etc.)

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Change-Id: Ie6a9bd71dfc978a739b0daca54b9c4ba736a11be
Reviewed-on: https://review.lttng.org/c/babeltrace/+/2203
Tested-by: jenkins <jenkins@lttng.org>
Reviewed-by: Simon Marchi <simon.marchi@efficios.com>