Method now

packages/jest-environment/src/index.ts:234–234

* Returns the current time in ms of the fake timer clock.

()

   * Returns the current time in ms of the fake timer clock.
   */
  now(): number;
  /**
   * Registers a callback function that is invoked whenever a mock is generated for a module.
   * This callback is passed the module path and the newly created mock object, and must return