The 'pkg' package exists.

--- importlib_metadata-9.0.1/tests/test_api.py.orig
+++ importlib_metadata-9.0.1/tests/test_api.py
@@ -52,7 +52,7 @@
                 assert distribution(name).metadata['Name'] == 'pkg.dot'
 
     def test_prefix_not_matched(self):
-        prefixes = 'p', 'pkg', 'pkg.'
+        prefixes = 'p', 'pkg.'
         for prefix in prefixes:
             with self.subTest(prefix), self.assertRaises(PackageNotFoundError):
                 distribution(prefix)