Fix #564: Fix tests not running due to Espree bump (#565)

* Fix #564: Fix tests not running due to Espree bump

* updated malformed test

also, the most trivial of line formatting changes

tests/src/rules/export.js

@@ -2,7 +2,7 @@ import { test, SYNTAX_CASES } from '../utils'
 
 import { RuleTester } from 'eslint'
 
-var ruleTester = new RuleTester()
+var ruleTester = new RuleTester({ parser: 'babel-eslint' })
   , rule = require('rules/export')
 
 ruleTester.run('export', rule, {
@@ -71,10 +71,12 @@ ruleTester.run('export', rule, {
     //                            '\'./default-export\'.'
     //                 , type: 'Literal' }] }),
 
+    // note: Espree bump to Acorn 4+ changed this test's error message.
+    //       `npm up` first if it's failing.
     test({
       code: 'export * from "./malformed.js"',
       errors: [{
-        message: "Parse errors in imported module './malformed.js': 'return' outside of function (1:1)",
+        message: "Parse errors in imported module './malformed.js': Line 1: Unexpected token (1:12)",
         type: 'Literal',
       }],
     }),