diff --git a/web/src/js/__tests__/components/Header/FilterDocsSpec.js b/web/src/js/__tests__/components/Header/FilterDocsSpec.js
index cb722d6d5..a8cc5e972 100644
--- a/web/src/js/__tests__/components/Header/FilterDocsSpec.js
+++ b/web/src/js/__tests__/components/Header/FilterDocsSpec.js
@@ -1,19 +1,18 @@
 import React from 'react'
 import renderer from 'react-test-renderer'
 import FilterDocs from '../../../components/Header/FilterDocs'
-import mockFetch from 'jest-fetch-mock'
-
-global.fetch = mockFetch
 
 describe('FilterDocs Component', () => {
+    let mockResponse = { json:
+            jest.fn(() => { return { commands: [['cmd1', 'foo'], ['cmd2', 'bar']]}})
+        },
+        promise = Promise.resolve(mockResponse)
+    global.fetch = jest.fn(r => { return promise })
 
-    it('should render correctly', () => {
-        // fetch successes
-        fetch.mockResponseOnce(JSON.stringify({commands: [['cmd1', 'foo'], ['cmd2', 'bar']]}), {status: 200})
-        let filterDocs = renderer.create(<FilterDocs/>),
-            tree = filterDocs.toJSON()
-        // [TODO] doc in render() could not be set correctly.
-        console.log(tree)
+    let filterDocs = renderer.create(<FilterDocs/>),
+        tree = filterDocs.toJSON()
+
+    it('should render correctly when fetch success', () => {
+        expect(tree).toMatchSnapshot()
     })
-
 })