.travis.yml in mixed_gauge-1.1.0 vs .travis.yml in mixed_gauge-1.2.0.beta1

@@ -2,23 +2,24 @@
 sudo: false
 branches:
   only:
     - master
 rvm:
-  - 2.0
-  - 2.1
-  - 2.2
+  - 2.1.9
+  - 2.2.4
+  - 2.3.1
 gemfile:
   - gemfiles/ar_4.1.0.gemfile
   - gemfiles/ar_4.1.7.gemfile
   - gemfiles/ar_4.1.8.gemfile
   - gemfiles/ar_4.2.gemfile
+  - gemfiles/ar_5.0.gemfile
   - gemfiles/rails_edge.gemfile
 matrix:
   allow_failures:
     - gemfile: gemfiles/rails_edge.gemfile
   exclude:
-    # Rails 5 requires to run on Ruby 2.2.0 or newer.
-    - rvm: 2.0
+    # Rails 5 or later requires Ruby 2.2.0 or newer.
+    - rvm: 2.1.9
       gemfile: gemfiles/rails_edge.gemfile
-    - rvm: 2.1
-      gemfile: gemfiles/rails_edge.gemfile
+    - rvm: 2.1.9
+      gemfile: gemfiles/ar_5.0.gemfile