[cleanup] Misc (#17031)

Closes #17104
Authored by: seproDev, bashonly

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

yt_dlp/extractor/mangomolo.py

@@ -55,6 +55,18 @@ class MangomoloVideoIE(MangomoloBaseIE):
     _TYPE = 'video'
     IE_NAME = 'mangomolo:' + _TYPE
     _SLUG = r'video\?.*?\bid=(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://player.mangomolo.com/v1/video?id=29431242&user_id=168&signature=b40e58d964532fe09bf81fc08d850752&autoplay=true&fullscreen=yes&base_url=aHR0cHM6Ly9heW4ub20vdmlkZW8vMjk0MzEyNDIvJUQ4JUE3JUQ5JTg0JUQ4JUEzJUQ5JTg1JUQ5JTg2JUQ5JThBJUQ4JUE3JUQ4JUFBLSVEOCVBNyVEOSU4NCVEOCVCMyVEOCVBOCVEOCVCOS0lRDglQTclRDklODQlRDglQUQlRDklODQlRDklODIlRDglQTktOQ%3D%3D&vast=true&app_id=&zone=&filter=DENY&countries=Q0M%3D&language=ar&player_profile=',
+        'info_dict': {
+            'id': '29431242',
+            'ext': 'flv',
+            'title': '29431242',
+        },
+        'expected_warnings': [
+            'Failed to download m3u8 information',
+            'Failed to download MPD manifest',
+        ],
+    }]
 
     _IS_LIVE = False