[RTADPA BW Tests] Hlt2->Chained->Sprucing test

Related to: lhcb-datapkg/PRConfig!374 (merged) + LHCbNightlyConf!1140 (merged)

ToDo:

• Report MM feedback correctly. > [Seems succesful, see: !273 (comment 7519523))
• Report Gitlab (comparison) feedback correctly.
  • Information on how we ran the testing see: !273 (comment 7537650)