fix unit test

__tests__/common/components/Example.spec.js

@@ -1,14 +1,13 @@
 import React from 'react'
-import { fromJS } from 'immutable'
 import Enzyme, { shallow } from 'enzyme'
 
 import { Example } from  '../../../src/js/common/components/Example'
 
 const fixture = {
   example: {
-    result: fromJS({
+    result: {
       testing: 'data',
-    }),
+    },
   },
 };
 

package.json

@@ -24,16 +24,16 @@
   "devDependencies": {
     "assets-webpack-plugin": "^3.9.7",
     "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.3",
+    "babel-core": "^6.26.0",
     "babel-eslint": "^10.0.1",
-    "babel-jest": "^24.1.0",
+    "babel-jest": "^23.4.0",
     "babel-loader": "^7.1.2",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
-    "babel-plugin-transform-decorators-legacy": "^1.3.5",
+    "babel-plugin-transform-decorators-legacy": "^1.3.4",
     "babel-plugin-transform-runtime": "^6.23.0",
     "babel-plugin-typecheck": "^3.9.0",
     "babel-polyfill": "^6.26.0",
-    "babel-preset-env": "^1.7.0",
+    "babel-preset-env": "^1.6.1",
     "babel-preset-flow": "^6.23.0",
     "babel-preset-react": "^6.24.1",
     "babel-preset-react-hmre": "^1.1.1",
@@ -65,14 +65,14 @@
     "husky": "^1.3.1",
     "identity-obj-proxy": "^3.0.0",
     "image-webpack-loader": "^4.6.0",
-    "jest-cli": "^24.1.0",
+    "jest-cli": "^23.4.1",
     "mini-css-extract-plugin": "^0.5.0",
     "postcss-loader": "^3.0.0",
     "postcss-preset-env": "^6.5.0",
     "precss": "^4.0.0",
     "raf": "^3.4.1",
     "react-hot-loader": "^4.7.1",
-    "react-test-renderer": "^16.8.3",
+    "react-test-renderer": "^16.2.0",
     "rimraf": "^2.6.3",
     "shelljs": "^0.8.3",
     "style-loader": "^0.23.1",

src/js/common/components/Example/Example.jsx

@@ -41,7 +41,7 @@ class Example extends PureComponent {
 
   render() {
     const { example } = this.props;
-    const { result } = example;
+    const result = (example && example.result) || null;
 
     if (result) {
       return (