Fix tests for 0.12

Author: Faleij

test-src/JsonStreamStringify.spec.js

@@ -1,7 +1,7 @@
 
 import { Readable } from 'stream';
 import expect from 'expect.js';
-import JsonStreamStringify from '..';
+import JsonStreamStringify from '.';
 
 function createTest(input, expected, ...args) {
   return () => new Promise((resolve, reject) => {

index.js test-src/index.jsindex.js renamed to test-src/index.js

@@ -1,4 +1,4 @@
 /* eslint-disable import/no-dynamic-require */
 
 const prop = process.version.split('.')[0].slice(1) >= 8 ? '' : '.polyfill';
-module.exports = require(`./dist/umd${prop}.js`);
+module.exports = require(`../dist/umd${prop}.js`);