gh-102519: Avoid failing tests due to inaccessible volumes (GH-102706)

Lib/test/test_os.py

@@ -2683,7 +2683,12 @@ class Win32ListdriveTests(unittest.TestCase):
 
     def test_listmounts(self):
         for volume in os.listvolumes():
+            try:
                 mounts = os.listmounts(volume)
+            except OSError as ex:
+                if support.verbose:
+                    print("Skipping", volume, "because of", ex)
+            else:
                 self.assertIsInstance(mounts, list)
                 self.assertSetEqual(
                     set(mounts),