.github/workflows/tests.yml

Summary

Maintainability
Test Coverage
name: tests
on: [push, pull_request]
jobs:
  run-tests:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]  #, macos-latest
        # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
        ruby: [2.6, 2.7, '3.0', head, jruby, jruby-head]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - run: bundle exec rake test