Index: b/test/formats/test_id3.py
===================================================================
--- a/test/formats/test_id3.py
+++ b/test/formats/test_id3.py
@@ -266,5 +266,5 @@
         def test_rename_txxx_tags(self):
             file_path = os.path.join('test', 'data', 'test-id3-rename-tags.mp3')
-            filename = self.copy_file_tmp(file_path, 'mp3')
+            filename = self.copy_file_tmp(file_path, '.mp3')
             raw_metadata = load_raw(filename)
             self.assertIn('TXXX:Artists', raw_metadata)
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<tr><td><span title='2020-06-20 21:18:24 +0200'>2020-06-20</span></td><td><a href='/guix/commit/gnu/packages/patches/emacs-hyperbole-toggle-messaging.patch?id=7d80d795248b029183b27361e9ab4895079375f7'>gnu: Add emacs-hyperbole.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/emacs-xyz.scm (emacs-hyperbole): Add at 7.0.3

Signed-off-by: Jakub Kądziołka &lt;kuba@kadziolka.net&gt;
</span></span></td><td>LaFreniere, Joseph</td></tr>