{
  "name": "main-module",
  "version": "1.0.0",
  "description": "The main project",
  "main": "index.js",
  "dependencies": {
    "module-1": "1.0.0"
  },
  "devDependencies": {
    "module-2": "1.0.0",
    "module-3": "1.0.0"
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

{
  "name": "main-module",
  "version": "1.0.0",
  "description": "The main project",
  "main": "index.js",
  "dependencies": {
    "module-1": "1.0.0"
  },
  "devDependencies": {
    "module-2": "1.0.0",
    "module-3": "1.0.0",
    "module-2": "1.0.0" 
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

Test whether the dependencies can be duplicated
Test whether the dependencies can be duplicated
