Added more tests focusing on 'mapReturn'
Added more tests focusing on 'mapReturn'

Paciorkowski-Lab/SOLVE-Brain,jf-test/solve-brain-jf,jf-test/solve-brain-jf,Paciorkowski-Lab/SOLVE-Brain,Paciorkowski-Lab/SOLVE-Brain,jf-test/solve-brain-jf,Paciorkowski-Lab/SOLVE-Brain,Paciorkowski-Lab/SOLVE-Brain