language: ruby
rvm:
  - "2.6"
  - "2.5"
  - "2.4"
cache: bundler
before_install:
  - gem update --system
  - nvm install node
env: "EXECJS_RUNTIME=MiniRacer"
matrix:
  include:
    - rvm: "2.6"
      env: "EXECJS_RUNTIME=Node"

language: ruby
rvm:
  - "2.6"
  - "2.5"
cache: bundler
before_install:
  - gem update --system
  - nvm install node
env: "EXECJS_RUNTIME=MiniRacer"
matrix:
  include:
    - rvm: "2.6"
      env: "EXECJS_RUNTIME=Node"

Remove Ruby 2.4 from Travis CI
Remove Ruby 2.4 from Travis CI
