message: adds test-legacy command
diff: },
  "scripts": {
  "pretest": "jscs ./lib/ ./__test__",
  - "test": "mocha tests/*.js",
  - "jest": "jest",
  - "jest-watch": "jest --watch"
  + "test": "jest",
  + "test-legacy": "mocha ./tests/*.js"
  },
  "repository": {
  "type": "git",
  