[CI] adapt first frame is sid test for basop
Some optimizations for the first-frame-is-sid test and adaptations for use in BASOP (once the bugs are fixed there).
WARNING! Gitlab maintenance operation scheduled for Monday, 20 April between 12:00 and 14:00 (CET). During this time window, short service interruptions (less than 5 minutes) may occur. Thank you in advance for your understanding.
Some optimizations for the first-frame-is-sid test and adaptations for use in BASOP (once the bugs are fixed there).