.travis.yml in file_validators-1.2.0 vs .travis.yml in file_validators-2.0.0

@@ -1,10 +1,10 @@
 language: ruby
 rvm:
-  - 2.1.2
-  - 2.0.0
+  - 2.2.2
   - 1.9.3
 gemfile:
+  - gemfiles/activemodel_4.2.gemfile
   - gemfiles/activemodel_4.1.gemfile
   - gemfiles/activemodel_4.0.gemfile
   - gemfiles/activemodel_3.2.gemfile
   - gemfiles/activemodel_3.1.gemfile
   - gemfiles/activemodel_3.0.gemfile