message: chore: fix test command
  `jest src` includes unexpected test files
  when this repository directory path includes `src`.
diff: "lint:md": "prettier --check README.md 'docs/**/*.md'",
  "lint:ts": "tsc --noEmit",
  "lint": "run-p -l lint:*",
  - "test": "jest src",
  + "test": "jest --rootDir src",
  "upload": "kintone-customize-uploader scripts/customize-manifest.json",
  "webpack": "webpack --config scripts/webpack.config"
  },
  