Merge pull request #90 from fatkodima/travis-rubies

CI: update rubies

.travis.yml

@@ -1,10 +1,23 @@
 language: ruby
-services:
-    - redis-server
+cache: bundler
+sudo: false
+
 rvm:
-  - 2.2.2
-  - 2.5.6
-  - 2.6.4
+  - 2.4.9
+  - 2.5.7
+  - 2.6.5
+  - 2.7.0
+  - ruby-head
+
+before_install:
+  - yes | gem update --system
+  - gem install bundler -v "~> 2.0"
+
 script: bundle exec rspec spec
-sudo: false
-cache: bundler
+
+jobs:
+  allow_failures:
+    - rvm: ruby-head
+
+services:
+    - redis-server

Gemfile.lock

@@ -54,4 +54,4 @@ DEPENDENCIES
   rspec (~> 3, >= 3.0.0)
 
 BUNDLED WITH
-   1.17.2
+   2.1.4