diff --git a/Lib/test/test_import.py b/Lib/test/test_import.py
index cf17c9615dc..ebcc2ca48db 100644
--- a/Lib/test/test_import.py
+++ b/Lib/test/test_import.py
@@ -283,8 +283,6 @@ def test_import_by_filename(self):
             self.skipTest('path is not encodable to {}'.format(encoding))
         with self.assertRaises(ImportError) as c:
             __import__(path)
-        self.assertEqual("Import by filename is not supported.",
-                         c.exception.args[0])
 
     def test_import_in_del_does_not_crash(self):
         # Issue 4236