Tests for `messages` manifest field
Tests for `messages` manifest field
diox/app-validator,mozilla/app-validator,mozilla/app-validator,stasm/app-validator,diox/app-validator,eviljeff/app-validator,mozilla/app-validator,stasm/app-validator,stasm/app-validator,diox/app-validator,mstriemer/app-validator,eviljeff/app-validator,mozilla/app-validator,eviljeff/app-validator,mstriemer/app-validator,eviljeff/app-validator,diox/app-validator,mstriemer/app-validator,stasm/app-validator