.travis.yml in fakeredis-0.5.0 vs .travis.yml in fakeredis-0.6.0

@@ -1,8 +1,19 @@
 language: ruby
+before_install:
+  - travis_retry gem install bundler
 rvm:
-  - 1.9.2
-  - 1.9.3
-  - 2.0.0
-  - 2.1.1
-  - jruby-19mode
+  - 2.1
+  - 2.2
+  - 2.3.1
+  - ruby-head
+  - jruby
   - rbx-2
+gemfile:
+  - Gemfile
+  - gemfiles/redisrb-master.gemfile
+matrix:
+  allow_failures:
+    - rvm: rbx-2
+# Use the faster container based infrastructure
+# http://blog.travis-ci.com/2014-12-17-faster-builds-with-container-based-infrastructure/
+sudo: false