Fix splash test
This is to fix !ATLASRECTS-5895
This is not the final solution, for real reco of splash events we will need the iterative RawChannel builder, which was not yet migrated to rel. 22, will be done in next MR.
This is to fix !ATLASRECTS-5895
This is not the final solution, for real reco of splash events we will need the iterative RawChannel builder, which was not yet migrated to rel. 22, will be done in next MR.