[CSpan] Fix test cases CSpan_1 and CSpan_2

youtube_dl/extractor/cspan.py

@@ -37,11 +37,14 @@ class CSpanIE(InfoExtractor):
         }
     }, {
         'url': 'http://www.c-span.org/video/?318608-1/gm-ignition-switch-recall',
+        'md5': '446562a736c6bf97118e389433ed88d4',
         'info_dict': {
             'id': '342759',
+            'ext': 'mp4',
             'title': 'General Motors Ignition Switch Recall',
+            'duration': 14848,
+            'description': 'md5:70c7c3b8fa63fa60d42772440596034c'
         },
-        'playlist_duration_sum': 14855,
     }, {
         # Video from senate.gov
         'url': 'http://www.c-span.org/video/?104517-1/immigration-reforms-needed-protect-skilled-american-workers',
@@ -97,6 +100,11 @@ class CSpanIE(InfoExtractor):
             'duration': int_or_none(f.get('length', {}).get('#text')),
         } for partnum, f in enumerate(files)]
 
+        if len(entries) == 1:
+            entry = dict(entries[0])
+            entry['id'] = video_id
+            return entry
+        else:
             return {
                 '_type': 'playlist',
                 'entries': entries,