.travis.yml in r10k-2.6.6 vs .travis.yml in r10k-2.6.7

@@ -4,10 +4,10 @@
 script: "bundle exec rspec --color --format documentation spec/unit"
 notifications:
   email: false
 sudo: false
 jdk:
-  - oraclejdk8
+  - openjdk8
 before_install: gem install bundler -v '< 2' --no-document
 matrix:
   include:
     - stage: r10k tests
       rvm: 2.3.0