.travis.yml in unscoped_associations-0.6.5 vs .travis.yml in unscoped_associations-0.7.0

@@ -1,5 +1,22 @@
 language: ruby
+sudo: false
 rvm:
+  - 2.3.3
+  - 2.2.6
   - 2.1
   - 2.0
-  - 1.9.3
\ No newline at end of file
+  - 1.9.3
+gemfile:
+  - gemfiles/activerecord_5.0.gemfile
+  - gemfiles/activerecord_4.2.gemfile
+  - gemfiles/activerecord_4.1.gemfile
+  - gemfiles/activerecord_4.0.gemfile
+  - gemfiles/activerecord_3.2.gemfile
+matrix:
+  exclude:
+    - rvm: 1.9.3
+      gemfile: gemfiles/activerecord_5.0.gemfile
+    - rvm: 2.0
+      gemfile: gemfiles/activerecord_5.0.gemfile
+    - rvm: 2.1
+      gemfile: gemfiles/activerecord_5.0.gemfile