.travis.yml in vvm-rb-1.1.0 vs .travis.yml in vvm-rb-1.1.1

@@ -1,9 +1,18 @@
 language: ruby
+env:
+  matrix:
+    - RUBY=2.2.2
+    - RUBY=2.3.0
+    - RUBY=2.4.0
+before_install:
+  - rvm use $(rvm strings $RUBY) --install --disable-binary --fuzzy
+script:
+  - bundle exec rspec
 notifications:
   email: false