on: [push]
jobs:
  upload:
    runs-on: docker
    steps:
    - run: mkdir -p artifacts
    
    - run: touch artifacts/ONE artifacts/TWO
    
    - uses: actions/upload-artifact@v3
      with:
        name: many-artifacts
        path: artifacts/

  download:
    runs-on: docker
    steps:
    - uses: actions/download-artifact@v3
        
    - run: |
        test -f many-artifacts/ONE
        test -f many-artifacts/TWO