diff --git a/youtube_dl/extractor/formula1.py b/youtube_dl/extractor/formula1.py
index 8c417ab65b..fecfc28ae9 100644
--- a/youtube_dl/extractor/formula1.py
+++ b/youtube_dl/extractor/formula1.py
@@ -11,9 +11,13 @@ class Formula1IE(InfoExtractor):
         'md5': '8c79e54be72078b26b89e0e111c0502b',
         'info_dict': {
             'id': 'JvYXJpMzE6pArfHWm5ARp5AiUmD-gibV',
-            'ext': 'flv',
+            'ext': 'mp4',
             'title': 'Race highlights - Spain 2016',
         },
+        'params': {
+            # m3u8 download
+            'skip_download': True,
+        },
         'add_ie': ['Ooyala'],
     }, {
         'url': 'http://www.formula1.com/en/video/2016/5/Race_highlights_-_Spain_2016.html',
diff --git a/youtube_dl/extractor/voxmedia.py b/youtube_dl/extractor/voxmedia.py
index b1b32ad44e..f8e3314939 100644
--- a/youtube_dl/extractor/voxmedia.py
+++ b/youtube_dl/extractor/voxmedia.py
@@ -9,13 +9,16 @@ class VoxMediaIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?(?:theverge|vox|sbnation|eater|polygon|curbed|racked)\.com/(?:[^/]+/)*(?P<id>[^/?]+)'
     _TESTS = [{
         'url': 'http://www.theverge.com/2014/6/27/5849272/material-world-how-google-discovered-what-software-is-made-of',
-        'md5': '73856edf3e89a711e70d5cf7cb280b37',
         'info_dict': {
             'id': '11eXZobjrG8DCSTgrNjVinU-YmmdYjhe',
             'ext': 'mp4',
             'title': 'Google\'s new material design direction',
             'description': 'md5:2f44f74c4d14a1f800ea73e1c6832ad2',
         },
+        'params': {
+            # m3u8 download
+            'skip_download': True,
+        },
         'add_ie': ['Ooyala'],
     }, {
         # data-ooyala-id
@@ -31,13 +34,16 @@ class VoxMediaIE(InfoExtractor):
     }, {
         # volume embed
         'url': 'http://www.vox.com/2016/3/31/11336640/mississippi-lgbt-religious-freedom-bill',
-        'md5': '375c483c5080ab8cd85c9c84cfc2d1e4',
         'info_dict': {
             'id': 'wydzk3dDpmRz7PQoXRsTIX6XTkPjYL0b',
             'ext': 'mp4',
             'title': 'The new frontier of LGBTQ civil rights, explained',
             'description': 'md5:0dc58e94a465cbe91d02950f770eb93f',
         },
+        'params': {
+            # m3u8 download
+            'skip_download': True,
+        },
         'add_ie': ['Ooyala'],
     }, {
         # youtube embed