Fix for issue 9367: the test code for os.getgroups

assumes that the result of getgroups and the output
of the id(1) command return groups in the same
order.  That assumption is both fragile and false.

Lib/test/test_posix.py

@@ -357,7 +357,11 @@ class PosixTester(unittest.TestCase):
         if not groups:
             raise unittest.SkipTest("need working 'id -G'")
 
-        self.assertEqual([int(x) for x in groups.split()], posix.getgroups())
+        # The order of groups isn't important, hence the calls
+        # to sorted.
+        self.assertEqual(
+                list(sorted([int(x) for x in groups.split()])),
+                list(sorted(posix.getgroups())))
 
 class PosixGroupsTester(unittest.TestCase):