Fixes tests broken by issue #27781.

1 files changed, 4 insertions, 1 deletions

diff --git a/Lib/test/test_genericpath.py b/Lib/test/test_genericpath.py
index c8f158d0c5..ae5dd6a5f7 100644
--- a/Lib/test/test_genericpath.py
+++ b/Lib/test/test_genericpath.py
@@ -388,10 +388,13 @@ class CommonTest(GenericTest):
             warnings.simplefilter("ignore", DeprecationWarning)
             self.assertIn(b"foo", self.pathmodule.abspath(b"foo"))
 
+        # avoid UnicodeDecodeError on Windows
+        undecodable_path = b'' if sys.platform == 'win32' else b'f\xf2\xf2'
+
         # Abspath returns bytes when the arg is bytes
         with warnings.catch_warnings():
             warnings.simplefilter("ignore", DeprecationWarning)
-            for path in (b'', b'foo', b'f\xf2\xf2', b'/foo', b'C:\\'):
+            for path in (b'', b'foo', undecodable_path, b'/foo', b'C:\\'):
                 self.assertIsInstance(self.pathmodule.abspath(path), bytes)
 
     def test_realpath(self):