[bandcamp] Revert test song title, and extract title generally (which may fail, as the other title json values might come up), instead of out of trackinfo, as bandcamp prefixes it with artist -

youtube_dl/extractor/bandcamp.py

@@ -33,7 +33,7 @@ class BandcampIE(InfoExtractor):
         'info_dict': {
             'id': '1812978515',
             'ext': 'mp3',
-            'title': "youtube-dl  \"'/\\\u00e4\u21ad - youtube-dl  \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
+            'title': "youtube-dl  \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
             'duration': 9.8485,
             'uploader': "youtube-dl  \"'/\\\u00e4\u21ad",
             'timestamp': 1354224127,
@@ -99,7 +99,6 @@ class BandcampIE(InfoExtractor):
             webpage, 'track info', default='{}')
 
         track_info = self._parse_json(trackinfo_block, title)
-
         if track_info:
             file_ = track_info.get('file')
             if isinstance(file_, dict):
@@ -115,7 +114,7 @@ class BandcampIE(InfoExtractor):
                         'acodec': ext,
                         'abr': int_or_none(abr_str),
                     })
-            track = track_info.get('title')
+
             track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
             track_number = int_or_none(track_info.get('track_num'))
             duration = float_or_none(track_info.get('duration'))
@@ -126,6 +125,7 @@ class BandcampIE(InfoExtractor):
                 webpage, key, default=None, group='value')
             return data.replace(r'\"', '"').replace('\\\\', '\\') if data else data
 
+        track = extract('title')
         artist = extract('artist')
         album = extract('album_title')
         timestamp = unified_timestamp(