bpo-40275: Remove test.support.TESTFN_ENCODING (GH-20482)

Replace test.support.TESTFN_ENCODING with sys.getfilesystemencoding().

1 files changed, 3 insertions, 2 deletions

diff --git a/Lib/test/test_unicode_file.py b/Lib/test/test_unicode_file.py
index b16e4c5..ed1f6ce 100644
--- a/Lib/test/test_unicode_file.py
+++ b/Lib/test/test_unicode_file.py
@@ -2,15 +2,16 @@
 # We don't test many operations on files other than
 # that their names can be used with Unicode characters.
 import os, glob, time, shutil
+import sys
 import unicodedata
 
 import unittest
 from test.support import (run_unittest, rmtree, change_cwd,
-    TESTFN_ENCODING, TESTFN_UNICODE, TESTFN_UNENCODABLE, create_empty_file)
+    TESTFN_UNICODE, TESTFN_UNENCODABLE, create_empty_file)
 
 if not os.path.supports_unicode_filenames:
     try:
-        TESTFN_UNICODE.encode(TESTFN_ENCODING)
+        TESTFN_UNICODE.encode(sys.getfilesystemencoding())
     except (UnicodeError, TypeError):
         # Either the file system encoding is None, or the file name
         # cannot be encoded in the file system encoding.