ported language_tag_test
ported language_tag_test

benhutton/globalize3,goarch/globalize,rdutra/globalize3,2947721120/globalize,trongrg/single_table_globalize3,distribusion/globalize,andreazaupa/globalize3,mysociety/globalize,awernick/globalize,aalfson/globalize,eet-nu/globalize3,reevoo/globalize3,ASnow/globalize,LyriD/globalize3,tuv/globalize3,gaganawhad/globalize-cache-key,joshmh/globalize2,Buyapowa/globalize,DaveahamLincoln/globalizer_refinery_patch