Update test thumbnails.

Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>

yt_dlp/extractor/cloudflarestream.py

@@ -8,7 +8,7 @@ class CloudflareStreamIE(InfoExtractor):
     _DOMAIN_RE = r'(?:cloudflarestream\.com|(?:videodelivery|bytehighway)\.net)'
     _EMBED_RE = rf'(?:embed\.|{_SUBDOMAIN_RE}){_DOMAIN_RE}/embed/[^/?#]+\.js\?(?:[^#]+&)?video='
     _ID_RE = r'[\da-f]{32}|eyJ[\w-]+\.[\w-]+\.[\w-]+'
-    _VALID_URL = rf'https?://(?:{_SUBDOMAIN_RE}{_DOMAIN_RE}/|{_EMBED_RE})(?P<id>{_ID_RE})'
+    _VALID_URL = rf'https?://(?:{_SUBDOMAIN_RE}(?P<domain>{_DOMAIN_RE})/|{_EMBED_RE})(?P<id>{_ID_RE})'
     _EMBED_REGEX = [
         rf'<script[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//{_EMBED_RE}(?:{_ID_RE})(?:(?!\1).)*)\1',
         rf'<iframe[^>]+\bsrc=["\'](?P<url>https?://{_SUBDOMAIN_RE}{_DOMAIN_RE}/[\da-f]{{32}})',
@@ -19,7 +19,7 @@ class CloudflareStreamIE(InfoExtractor):
             'id': '31c9291ab41fac05471db4e73aa11717',
             'ext': 'mp4',
             'title': '31c9291ab41fac05471db4e73aa11717',
-            'thumbnail': 'https://videodelivery.net/31c9291ab41fac05471db4e73aa11717/thumbnails/thumbnail.jpg',
+            'thumbnail': 'https://cloudflarestream.com/31c9291ab41fac05471db4e73aa11717/thumbnails/thumbnail.jpg',
         },
         'params': {
             'skip_download': 'm3u8',
@@ -30,7 +30,7 @@ class CloudflareStreamIE(InfoExtractor):
             'id': '0e8e040aec776862e1d632a699edf59e',
             'ext': 'mp4',
             'title': '0e8e040aec776862e1d632a699edf59e',
-            'thumbnail': 'https://videodelivery.net/0e8e040aec776862e1d632a699edf59e/thumbnails/thumbnail.jpg',
+            'thumbnail': 'https://cloudflarestream.com/0e8e040aec776862e1d632a699edf59e/thumbnails/thumbnail.jpg',
         },
     }, {
         'url': 'https://watch.cloudflarestream.com/9df17203414fd1db3e3ed74abbe936c1',
@@ -54,7 +54,7 @@ class CloudflareStreamIE(InfoExtractor):
             'id': 'eaef9dea5159cf968be84241b5cedfe7',
             'ext': 'mp4',
             'title': 'eaef9dea5159cf968be84241b5cedfe7',
-            'thumbnail': 'https://videodelivery.net/eaef9dea5159cf968be84241b5cedfe7/thumbnails/thumbnail.jpg',
+            'thumbnail': 'https://cloudflarestream.com/eaef9dea5159cf968be84241b5cedfe7/thumbnails/thumbnail.jpg',
         },
         'params': {
             'skip_download': 'm3u8',
@@ -62,8 +62,10 @@ class CloudflareStreamIE(InfoExtractor):
     }]
 
     def _real_extract(self, url):
-        video_id = self._match_id(url)
-        domain = 'bytehighway.net' if 'bytehighway.net/' in url else 'cloudflarestream.com'
+        video_id, domain = self._match_valid_url(url).group('id', 'domain')
+
+        if domain != 'bytehighway.net':
+            domain = 'cloudflarestream.com'
         base_url = f'https://{domain}/{video_id}/'
         if '.' in video_id:
             video_id = self._parse_json(base64.urlsafe_b64decode(