language: ruby
rvm:
  - 2.4.1
  - 2.3.4
  - 2.2.7
before_install: gem install -N bundler

language: ruby
rvm:
  - 2.4.1
  - 2.3.4
before_install: gem install -N bundler

Remove ruby-2.2 from our support versions
Remove ruby-2.2 from our support versions

Ruby-2.2 doesn't have the here-document syntax `<<~`.
