realm-js/tests/test-runners/jest/package.json

{
  "scripts": {
    "test": "jest"
  },
  "devDependencies": {
    "jest-cli": "^13.2.3",
    "realm": "../../.."
  },
  "jest": {
      "testEnvironment": "node",
      "unmockedModulePathPatterns": [
          "realm"
      ],
      "testRegex": "test.js"
  }
}