name: linux on: - push - pull_request jobs: build: runs-on: ${{ matrix.os }} strategy: fail-fast: false matrix: ruby: ['2.6', '2.7', '3.0', '3.1'] os: - ubuntu-latest name: Ruby ${{ matrix.ruby }} unit testing on ${{ matrix.os }} steps: - uses: actions/checkout@v2 - uses: ruby/setup-ruby@v1 with: ruby-version: ${{ matrix.ruby }} - name: unit testing env: CI: true run: | gem install bundler rake bundle install --jobs 4 --retry 3 bundle exec rake test