old_contents: import React from 'react'
  import ReactTestUtils from 'react-addons-test-utils'
  import assert from 'assert'
  import {getKaomoji, getYmdStr } from '../app/Resources/js/utils/util.js'
  import Header from '../app/Resources/js/components/header.jsx'
  
  describe('testHeader', () => {
      const getComponent = () => {
          return ReactTestUtils.renderIntoDocument(<Header getDailyJson={[]} timelineDateList={[]} appUsername={'hoge'}/>)
      }
  
      it('username', () => {
          let component = getComponent()
          assert(component.props.appUsername == 'hoge')
      })
  })
  
new_contents: import React from 'react'
  import ReactTestUtils from 'react-addons-test-utils'
  import assert from 'assert'
  import Header from '../app/Resources/js/components/header.jsx'
  
  describe('testHeader', () => {
      const getComponent = () => {
          return ReactTestUtils.renderIntoDocument(<Header getDailyJson={[]} timelineDateList={[]} appUsername={'hoge'}/>)
      }
  
      it('username', () => {
          let component = getComponent()
          assert(component.props.appUsername == 'hoge')
      })
  })
  
subject: Revert "travis fail karma fix"