Index: Lib/test/test_posix.py
===================================================================
--- Lib/test/test_posix.py	(revision 83757)
+++ Lib/test/test_posix.py	(working copy)
@@ -353,7 +353,7 @@
             def test_setgroups(self):
                 for groups in [[0], range(16)]:
                     posix.setgroups(groups)
-                    self.assertListEqual(groups, posix.getgroups())
+                    self.assertEqual(groups, posix.getgroups())
 
 
 def test_main():