rvm:
  - 2.4.7
  - 2.5.6
  - 2.6.4

before_install:
  - gem uninstall bundler || true
  - gem install bundler --version '1.17.2'

rvm:
  - 2.5.6
  - 2.6.4

before_install:
  - gem uninstall bundler || true
  - gem install bundler --version '1.17.2'

Drop Ruby 2.4 from tests as it's incompatible with Rails 6
Drop Ruby 2.4 from tests as it's incompatible with Rails 6
