[periscope] Add test for broadcast_id based URL

youtube_dl/extractor/periscope.py

@@ -12,7 +12,7 @@ from ..utils import parse_iso8601
 class PeriscopeIE(InfoExtractor):
     IE_DESC = 'Periscope'
     _VALID_URL = r'https?://(?:www\.)?periscope\.tv/w/(?P<id>[^/?#]+)'
-    _TEST = {
+    _TESTS = [{
         'url': 'https://www.periscope.tv/w/aJUQnjY3MjA3ODF8NTYxMDIyMDl2zCg2pECBgwTqRpQuQD352EMPTKQjT4uqlM3cgWFA-g==',
         'md5': '65b57957972e503fcbbaeed8f4fa04ca',
         'info_dict': {
@@ -25,7 +25,10 @@ class PeriscopeIE(InfoExtractor):
             'uploader_id': '1465763',
         },
         'skip': 'Expires in 24 hours',
-    }
+    }, {
+        'url': 'https://www.periscope.tv/w/1ZkKzPbMVggJv',
+        'only_matching': True,
+    }]
 
     def _call_api(self, method, value):
         attribute = 'token' if len(value) > 13 else 'broadcast_id'