message: remove unused `--all` flag for tests
diff: "prepublishOnly": "npm run build",
  "lint": "eslint \"src/**\"",
  "format": "tsfmt -r",
  - "test": "nyc mocha --all",
  + "test": "nyc mocha",
  "test:nocover": "mocha",
  "test:watch": "mocha --watch",
  "publish-coverage": "nyc report --reporter=text-lcov | coveralls",
  