[mediaklikk] updated test site URL, added subsite support (hirado)

youtube_dl/extractor/mediaklikk.py

@@ -8,10 +8,10 @@ import re
 
 class MediaKlikkIE(InfoExtractor):
     # Named regular expression group: (?P<name>...) used for referencing match as 'id'
-    _VALID_URL = r'https?://(?:www\.)?(?:mediaklikk|m4sport)\.hu/videok?/(?P<id>[^/]+)/?'
+    _VALID_URL = r'https?:\/\/(?:www\.)?(?:mediaklikk|m4sport|hirado)\.hu\/.*?videok?\/(?P<id>[^\/]+)\/?'
 
     _TEST = {
-        'url': 'https://mediaklikk.hu/video/kiberma-2020-04-30-i-adas/',
+        'url': 'https://mediaklikk.hu/adal2020/video/2020/03/07/a-dal-donto/',
         'info_dict': {
             'id': 'kiberma-2020-04-30-i-adas',
             'ext': 'mp4',