>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :igrigorik___slash___decisiontree.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :src___dash___d___slash___awesome___dash___machine___dash___learning___dash___on___dash___source___dash___code.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :beamandrew___slash___medical___dash___data.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :fivethirtyeight___slash___data.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :nationalparkservice___slash___data.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :GoogleTrends___slash___data.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :GSA___slash___data.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :jbhuang___zero______six______zero______four______slash___awesome___dash___computer___dash___vision.to_s will be frozen in the future

>> [Working Directory]/test/test_helper.rb:263: warning: string returned by :apache___slash___hadoop.to_s will be frozen in the future