[espn] fix fivethirtyeight.com extraction

youtube_dl/extractor/espn.py

@@ -216,17 +216,14 @@ class FiveThirtyEightIE(InfoExtractor):
     _TEST = {
         'url': 'http://fivethirtyeight.com/features/how-the-6-8-raiders-can-still-make-the-playoffs/',
         'info_dict': {
-            'id': '21846851',
-            'ext': 'mp4',
+            'id': '56032156',
+            'ext': 'flv',
             'title': 'FiveThirtyEight: The Raiders can still make the playoffs',
             'description': 'Neil Paine breaks down the simplest scenario that will put the Raiders into the playoffs at 8-8.',
-            'timestamp': 1513960621,
-            'upload_date': '20171222',
         },
         'params': {
             'skip_download': True,
         },
-        'expected_warnings': ['Unable to download f4m manifest'],
     }
 
     def _real_extract(self, url):
@@ -234,9 +231,8 @@ class FiveThirtyEightIE(InfoExtractor):
 
         webpage = self._download_webpage(url, video_id)
 
-        video_id = self._search_regex(
-            r'data-video-id=["\'](?P<id>\d+)',
-            webpage, 'video id', group='id')
+        embed_url = self._search_regex(
+            r'<iframe[^>]+src=["\'](https?://fivethirtyeight\.abcnews\.go\.com/video/embed/\d+/\d+)',
+            webpage, 'embed url')
 
-        return self.url_result(
-            'http://espn.go.com/video/clip?id=%s' % video_id, ESPNIE.ie_key())
+        return self.url_result(embed_url, 'AbcNewsVideo')