fix: timezone comparison (#222)

* fix: use format() instead of toISOString()

* fix: timezone comparison

src/extractors/custom/www.msn.com/index.test.js

@@ -1,6 +1,7 @@
 import assert from 'assert';
 import URL from 'url';
 import cheerio from 'cheerio';
+import moment from 'moment';
 
 import Mercury from 'mercury';
 import getExtractor from 'extractors/get-extractor';
@@ -57,10 +58,11 @@ describe('MSNExtractor', () => {
       // To pass this test, fill out the date_published selector
       // in ./src/extractors/custom/www.msn.com/index.js.
       const { date_published } = await result;
+      const newDatePublished = moment(date_published).format();
 
       // Update these values with the expected values from
       // the article.
-      assert.equal(date_published.split('T')[0], '2016-09-21');
+      assert.equal(newDatePublished.split('T')[0], '2016-09-21');
     });
 
     it('returns the lead_image_url', async () => {

src/extractors/generic/index.test.js

@@ -1,4 +1,5 @@
 import assert from 'assert';
+import moment from 'moment';
 
 import GenericExtractor from './index';
 
@@ -14,13 +15,14 @@ describe('GenericExtractor', () => {
         html,
         metaCache: [],
       });
+      const newDatePublished = moment(date_published).format();
 
       assert.equal(author, null);
       assert.equal(
         title,
         'California appears poised to be first to ban power-guzzling big-screen TVs'
       );
-      assert.equal(date_published.split('T')[0], '2009-10-14');
+      assert.equal(newDatePublished.split('T')[0], '2009-10-14');
       assert.equal(dek, null);
     });