Update tests to use MC samples containing RetinaClusters
This MR should be tested together with Allen!655 (merged), LHCb!3310 (merged), Moore!1145 (merged), lhcb-datapkg/PRConfig!211 (merged) and lhcb-datapkg/RawEventFormat!1 (merged).
This MR should be tested together with Allen!655 (merged), LHCb!3310 (merged), Moore!1145 (merged), lhcb-datapkg/PRConfig!211 (merged) and lhcb-datapkg/RawEventFormat!1 (merged).