naked-objects/test/cover/code_coverage_report.json

Shorthand notation for Object.create(null) via node module hook

{
  "/Users/gleb/git/gt/src/equiv.js": {
    "name": "/Users/gleb/git/gt/src/equiv.js",
    "coverage": 100
  },
  "/Users/gleb/git/naked-objects/test/test.js": {
    "name": "/Users/gleb/git/naked-objects/test/test.js",
    "coverage": 100
  },
  "/Users/gleb/git/naked-objects/src/naked-objects.js": {
    "name": "/Users/gleb/git/naked-objects/src/naked-objects.js",
    "coverage": 89
  }
}