diff --git a/youtube_dl/extractor/skyitalia.py b/youtube_dl/extractor/skyitalia.py
index 6f4fd3819..4d5b0bbd3 100644
--- a/youtube_dl/extractor/skyitalia.py
+++ b/youtube_dl/extractor/skyitalia.py
@@ -59,22 +59,19 @@ class SkyVideoItIE(SkyItaliaBaseIE):
     IE_NAME = 'video.sky.it'
     _VALID_URL = r'https?://video\.sky\.it/[0-9a-z-/]+-(?P<id>[0-9]{6})(?:$|\?)'
 
-    _TESTS = [
-        {
-            'url': 'https://video.sky.it/sport/motogp/video/motogp-gp-emilia-romagna-highlights-prove-libere-616162',
-            'md5': '9c03b590b06e5952d8051f0e02b0feca',
-            'info_dict': {
-                'id': '616162',
-                'ext': 'mp4',
-                'title': 'MotoGP, GP Emilia Romagna: gli highlights delle prove libere',
-                'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/18/1600441214452_hl-libere-motogp-misano2_5602634_thumbnail_1.jpg',
-            }
-        },
-        {
-            'url': 'https://video.sky.it/sport/motogp/video/motogp-gp-emilia-romagna-highlights-prove-libere-616162?itm_source=parsely-api',
-            'only_matching': True,
+    _TESTS = [{
+        'url': 'https://video.sky.it/sport/motogp/video/motogp-gp-emilia-romagna-highlights-prove-libere-616162',
+        'md5': '9c03b590b06e5952d8051f0e02b0feca',
+        'info_dict': {
+            'id': '616162',
+            'ext': 'mp4',
+            'title': 'MotoGP, GP Emilia Romagna: gli highlights delle prove libere',
+            'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/18/1600441214452_hl-libere-motogp-misano2_5602634_thumbnail_1.jpg',
         }
-    ]
+    }, {
+        'url': 'https://video.sky.it/sport/motogp/video/motogp-gp-emilia-romagna-highlights-prove-libere-616162?itm_source=parsely-api',
+        'only_matching': True,
+    }]
 
     def _real_extract(self, url):
         return self._get_formats(self._match_id(url))
@@ -84,18 +81,16 @@ class SkySportItIE(SkyItaliaBaseIE):
     IE_NAME = 'sport.sky.it'
     _VALID_URL = r'https?://sport\.sky\.it/.+?$'
 
-    _TESTS = [
-        {
-            'url': 'https://sport.sky.it/motogp/2020/09/18/motogp-gp-emilia-romagna-misano-2020-prove-libere-diretta',
-            'md5': '9c03b590b06e5952d8051f0e02b0feca',
-            'info_dict': {
-                'id': '616162',
-                'ext': 'mp4',
-                'title': 'MotoGP, GP Emilia Romagna: gli highlights delle prove libere',
-                'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/18/1600441214452_hl-libere-motogp-misano2_5602634_thumbnail_1.jpg',
-            }
+    _TESTS = [{
+        'url': 'https://sport.sky.it/motogp/2020/09/18/motogp-gp-emilia-romagna-misano-2020-prove-libere-diretta',
+        'md5': '9c03b590b06e5952d8051f0e02b0feca',
+        'info_dict': {
+            'id': '616162',
+            'ext': 'mp4',
+            'title': 'MotoGP, GP Emilia Romagna: gli highlights delle prove libere',
+            'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/18/1600441214452_hl-libere-motogp-misano2_5602634_thumbnail_1.jpg',
         }
-    ]
+    }]
 
     def _real_extract(self, url):
         return self._get_formats(self._extract_video_id(url))
@@ -105,18 +100,16 @@ class SkyTg24ItIE(SkyItaliaBaseIE):
     IE_NAME = 'tg24.sky.it'
     _VALID_URL = r'https?://tg24\.sky\.it/.+?$'
 
-    _TESTS = [
-        {
-            'url': 'https://tg24.sky.it/salute-e-benessere/2020/09/18/coronavirus-vaccino-ue-sanofi',
-            'md5': 'caa25e62dadb529bc5e0b078da99f854',
-            'info_dict': {
-                'id': '615904',
-                'ext': 'mp4',
-                'title': 'Covid-19, al Buzzi di Milano tamponi drive-in per studenti',
-                'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/17/1600351405841_error-coronavirus-al-buzzi-di-milano-tamponi_thumbnail_1.jpg',
-            }
+    _TESTS = [{
+        'url': 'https://tg24.sky.it/salute-e-benessere/2020/09/18/coronavirus-vaccino-ue-sanofi',
+        'md5': 'caa25e62dadb529bc5e0b078da99f854',
+        'info_dict': {
+            'id': '615904',
+            'ext': 'mp4',
+            'title': 'Covid-19, al Buzzi di Milano tamponi drive-in per studenti',
+            'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/17/1600351405841_error-coronavirus-al-buzzi-di-milano-tamponi_thumbnail_1.jpg',
         }
-    ]
+    }]
 
     def _real_extract(self, url):
         return self._get_formats(self._extract_video_id(url))
@@ -126,18 +119,17 @@ class SkyArteItIE(SkyItaliaBaseIE):
     IE_NAME = 'arte.sky.it'
     _VALID_URL = r'https?://arte\.sky\.it/video/.+?$'
 
-    _TESTS = [
-        {
-            'url': 'https://arte.sky.it/video/federico-fellini-maestri-cinema/',
-            'md5': '2f22513a89f45142f2746f878d690647',
-            'info_dict': {
-                'id': '612888',
-                'ext': 'mp4',
-                'title': 'I maestri del cinema Federico Felini',
-                'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/03/1599146747305_i-maestri-del-cinema-federico-felini_thumbnail_1.jpg',
-            }
+    _TESTS = [{
+        'url': 'https://arte.sky.it/video/federico-fellini-maestri-cinema/',
+        'md5': '2f22513a89f45142f2746f878d690647',
+        'info_dict': {
+            'id': '612888',
+            'ext': 'mp4',
+            'title': 'I maestri del cinema Federico Felini',
+            'thumbnail': 'https://videoplatform.sky.it/thumbnail/2020/09/03/1599146747305_i-maestri-del-cinema-federico-felini_thumbnail_1.jpg',
         }
-    ]
+    }]
+
     _TOKEN = 'LWk29hfiU39NNdq87ePeRach3nzTSV20o0lTv2001Cd'
 
     def _real_extract(self, url):