.travis.yml in active_admin_datetimepicker-0.2.0 vs .travis.yml in active_admin_datetimepicker-0.3.0

- old
+ new

@@ -1,5 +1,10 @@
 script: bundle exec rspec spec
+env:
+  matrix:
+    - RAILS=4.0.13
+    - RAILS=4.1.5
+    - RAILS=4.2.6
 rvm:
   - 2.1.5
   - 2.2.0
   - 2.3.0
 before_install:
\ No newline at end of file