addapted test_maps to use spectrum and properties attributes
addapted test_maps to use spectrum and properties attributes

sdss/marvin,bretthandrews/marvin,albireox/marvin,albireox/marvin,sdss/marvin,sdss/marvin,sdss/marvin,albireox/marvin,bretthandrews/marvin,bretthandrews/marvin,bretthandrews/marvin,albireox/marvin