internal/npm_install/test/package.spec.json

{
  "name": "test_package",
  "dependencies": {
    "@angular/core": "9.1.0"
  },
  "devDependencies": {
    "@angular/common": "9.1.0"
  },
  "optionalDependencies": {
    "zone.js": "0.8.29"
  }
}