.travis.yml in countries-2.0.8 vs .travis.yml in countries-2.1.0

@@ -1,14 +1,16 @@
 sudo: false
 cache: bundler
 language: ruby
 rvm:
+ - 1.9.3
  - 2.2.6
  - 2.3.3
  - 2.4.0
  - ruby-head
 before_install:
   - gem update --system
   - gem install bundler
 matrix:
   allow_failures:
     - rvm: ruby-head
+    - rvm: 1.9.3