Jest-找不到“react hot loader”模块

我用Jest编写了一个集成测试:

import 'jest-styled-components';
import React from 'react';
import { remAuto } from 'tidee-life-theme';
test('blah', () => {});

 Cannot find module 'react-hot-loader' from 'core.js'

       7 | const core = {
       8 |     'background-color': '#fff',
    >  9 |     'color': fontColor,
         |                                                      ^
      10 |     'font-family': fontFamily,
      11 |     'font-family-bold': fontFamilyBold,
      12 |     'font-size': fontSize,

      at Resolver.resolveModule (node_modules/jest-resolve/build/index.js:221:17)
      at ../tidee-life-theme/src/core.js:9:91
      at Object.<anonymous> (../tidee-life-theme/src/core.js:11:3)

当我看着 core.js ,没有参考 react-hot-loader

export const fontColor = "#666";
export const fontFamily = `'open_sansregular', helvetica, arial`;
export const fontFamilyBold = `'open_sansbold', helvetica, arial`;
export const fontSize = 13;
export const fontLineHeight = 17 /13;

const core = {
    'background-color': '#fff',
    'color': fontColor,
    'font-family': fontFamily,
    'font-family-bold': fontFamilyBold,
    'font-size': fontSize,
    'line-height': fontLineHeight,
};

export default core;

我用的是lerna和 tidee-life-theme 那么,这到底是怎么回事?