{
  "name": "todo",
  "version": "0.0.1",
  "description": "postgresql implementation of todo backend api",
  "main": "app.js",
  "scripts": {
    "test": "mocha"
  },
  "author": "Purity Control",
  "license": "ISC"
}

{
  "name": "todo",
  "version": "0.0.1",
  "description": "postgresql implementation of todo backend api",
  "main": "app.js",
  "scripts": {
    "test": "mocha"
  },
  "author": "Purity Control",
  "license": "ISC",
  "devDependencies": {
    "mocha": "^3.1.2"
  }
}

Add mocha dependency for tests.
Add mocha dependency for tests.
