.travis.yml in minitest-keyword-0.0.2 vs .travis.yml in minitest-keyword-1.0.0

@@ -1,7 +1,10 @@
 language: ruby
-rvm: 2.4.1
-before_install: gem install bundler -v 1.14.6
-cache: bundler
+rvm: 2.6.0
+branches:
+  only: master
+before_install:
+- gem install bundler
 script:
 - bundle exec rake
 - bundle exec rubocop
+cache: bundler