Update context for withRouter() inside static containers (test fails)

Author: gaearon

modules/withRouter.js

@@ -1,5 +1,6 @@
 import React from 'react'
 import hoistStatics from 'hoist-non-react-statics'
+import { ContextSubscriber } from './ContextUtils'
 import { routerShape } from './PropTypes'
 
 function getDisplayName(WrappedComponent) {
@@ -8,6 +9,7 @@ function getDisplayName(WrappedComponent) {
 
 export default function withRouter(WrappedComponent) {
   const WithRouter = React.createClass({
+    mixins: [ ContextSubscriber('router') ],
     contextTypes: { router: routerShape },
     render() {
       return <WrappedComponent {...this.props} router={this.context.router} />