cache: bundler

rvm:
  - 2.2
  - 2.3.0
  - 2.4.1
  - 2.5

script: bundle exec rake

notifications:
  email: false

sudo: false

git:
  depth: 10

cache: bundler

rvm:
  - 2.2
  - 2.3.0
  - 2.4.1
  - 2.5
  - 2.6

script: bundle exec rake

notifications:
  email: false

sudo: false

git:
  depth: 10

Add Ruby 2.6 to the build matrix
Add Ruby 2.6 to the build matrix

Ruby 2.6 has been released recently so add it to the build matrix.
