Fix development tests

[PromoFaux]

What does this PR aim to accomplish?:

Fixes currently failing tests, as seen here:
https://github.com/pi-hole/docker-pi-hole/actions/runs/10853053818/job/30121148521#step:5:525

Caused by this change in pi-hole/FTL#2057:
https://github.com/pi-hole/FTL/pull/2057/files#diff-e0cf5b28d9b6b600f0af2bc78e8fd30ec675fd731a5da86f0c4283ffc0e40176R142

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[DL6ER]

Yeah, the jmpret was meant to be shown as debug output from the start, it was an oversight it stayed as INFO. The exit code is still shown in the ##### FTL terminated after ... (code 0 output