added tests for get_nsa_data
added tests for get_nsa_data

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