{
  "name": "test-basic",
  "dependencies": {
    "outdated-test": "^1.0.0",
    "test-npm-update": "^1.0.0"
  }
}

{
  "name": "test-basic",
  "dependencies": {
    "outdated-test": "^1.0.0",
    "test-npm-update": "^1.0.0"
  },
  "devDependencies": {
    "outdated-test-2": "^1.0.0"
  }
}

Add devDep to test npm
Add devDep to test npm