message: chore: fix NodeEnvironment import in README.md
diff: @@ -12,7 +12,7 @@ Circus is a flux-based test runner for Jest that is fast, easy to maintain, and
  Circus allows you to bind to events via an optional event handler on any [custom environment](https://jestjs.io/docs/en/configuration#testenvironment-string). See the [type definitions](https://github.com/facebook/jest/blob/master/packages/jest-circus/src/types.ts) for more information on the events and state data currently available.
  ```js
  -import {NodeEnvironment} from 'jest-environment-node';
  +import NodeEnvironment from 'jest-environment-node';
  import {Event, State} from 'jest-circus';
  class MyCustomEnvironment extends NodeEnvironment {
  