diff --git a/yt_dlp/extractor/dailymail.py b/yt_dlp/extractor/dailymail.py
index 540676ac0..00bafad62 100644
--- a/yt_dlp/extractor/dailymail.py
+++ b/yt_dlp/extractor/dailymail.py
@@ -19,11 +19,21 @@ class DailyMailIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'The Mountain appears in sparkling water ad for \'Heavy Bubbles\'',
             'description': 'md5:a93d74b6da172dd5dc4d973e0b766a84',
+            'thumbnail': r're:https?://i\.dailymail\.co\.uk/.+\.jpg',
         },
     }, {
         'url': 'http://www.dailymail.co.uk/embed/video/1295863.html',
         'only_matching': True,
     }]
+    _WEBPAGE_TESTS = [{
+        'url': 'http://www.bumm.sk/krimi/2017/07/05/biztonsagi-kamera-buktatta-le-az-agg-ferfit-utlegelo-apolot',
+        'info_dict': {
+            'id': '1495629',
+            'ext': 'mp4',
+            'title': 'Care worker punches elderly dementia patient in head 11 times',
+        },
+        'skip': 'Invalid URL',
+    }]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
diff --git a/yt_dlp/extractor/generic.py b/yt_dlp/extractor/generic.py
index 6cf35b557..41b4b2b60 100644
--- a/yt_dlp/extractor/generic.py
+++ b/yt_dlp/extractor/generic.py
@@ -683,16 +683,6 @@ class GenericIE(InfoExtractor):
             'timestamp': 1428207000,
             'upload_date': '20150405',
         },
-    }, {
-        # 🔍57
-        # DailyMailIE
-        'url': 'http://www.bumm.sk/krimi/2017/07/05/biztonsagi-kamera-buktatta-le-az-agg-ferfit-utlegelo-apolot',
-        'info_dict': {
-            'id': '1495629',
-            'ext': 'mp4',
-            'title': 'Care worker punches elderly dementia patient in head 11 times',
-        },
-        'skip': 'Invalid URL',
     }, {
         # 🔍62
         # FacebookIE; iframe embed