1version: "{build}" 2build: off 3environment: 4 matrix: 5 - nodejs_version: "4" 6 - nodejs_version: "6" 7 - nodejs_version: "8" 8 - nodejs_version: "9" 9install: 10 - ps: Install-Product node $env:nodejs_version 11 - npm install 12test_script: 13 - npm test 14