message: Run `npm test` on all operating systems
diff: @@ -65,7 +65,10 @@ jobs:
  echo "Success: node_modules are up to date"
  npm-test:
  - runs-on: ubuntu-latest
  + strategy:
  + matrix:
  + os: [ubuntu-latest,macos-latest]
  + runs-on: ${{ matrix.os }}
  steps:
  - uses: actions/checkout@v1
  