.travis.yml in lita-4.7.1 vs .travis.yml in lita-4.8.0.beta1

@@ -1,19 +1,17 @@
 language: ruby
 sudo: false
 cache: bundler
 rvm:
-  - 2.0
-  - 2.1
-  - 2.2
-  - jruby-9.0.0.0
-  - rbx-2
+  - 2.5
+  - 2.6
+  - 2.7
+  - jruby
 matrix:
   allow_failures:
     - rvm: jruby-9.0.0.0
-    - rvm: rbx-2
   fast_finish: true
-script: bundle exec rake
+script: script/ci
 before_install:
   - gem update --system
   - gem update bundler
 services:
   - redis-server