Disable an inspect test: it depends on dict ordering which parameter is reported as duplicate.

Lib/test/test_inspect.py

@@ -810,7 +810,8 @@ class TestGetcallargsFunctions(unittest.TestCase):
             self.assertEqualException(f, '2, 3, 4')
             self.assertEqualException(f, '1, 2, 3, a=1')
             self.assertEqualException(f, '2, 3, 4, c=5')
-            self.assertEqualException(f, '2, 3, 4, a=1, c=5')
+            # XXX: success of this one depends on dict order
+            ## self.assertEqualException(f, '2, 3, 4, a=1, c=5')
             # f got an unexpected keyword argument
             self.assertEqualException(f, 'c=2')
             self.assertEqualException(f, '2, c=3')