name: CI

on:
  - push
  - pull_request

jobs:
  test:
    strategy:
      matrix:
        ruby:
          - 2.5
          - 2.6
          - 2.7
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: ${{matrix.ruby}}
    - name: Install dependencies
      run: bundle install --without dev
    - name: Run tests
      run: bundle exec rake

Add Github Actions CI workflow
Add Github Actions CI workflow