` `TypeError:使用jest使用选择器测试整个redux saga时出现env.getState`错误

npm install jest redux-saga redux --save-dev

import { createStore, applyMiddleware } from 'redux';
import createSagaMiddleware from 'redux-saga';
import rootReducer from './reducers';
import rootSaga from './sagas';

const sagaMiddleware = createSagaMiddleware();
const store = createStore(rootReducer, applyMiddleware(sagaMiddleware));
sagaMiddleware.run(rootSaga);

import { mySelector } from './selectors';

describe('Test mySelector', () => {
  test('should return the correct value', () => {
    const initialState = {
      // define your initial state here
    };

    const state = store.getState(); // 获取状态

    const result = mySelector(state); // 调用选择器函数

    // 验证结果是否符合预期
    expect(result).toEqual(expectedResult);
  });
});