Index: Lib/unittest/case.py
===================================================================
--- Lib/unittest/case.py	(revision 77909)
+++ Lib/unittest/case.py	(working copy)
@@ -748,10 +748,11 @@
             actual = list(actual_seq)
             with warnings.catch_warnings():
                 if sys.py3kwarning:
-                    # Silence Py3k warning
-                    warnings.filterwarnings("ignore",
-                                            "dict inequality comparisons "
-                                            "not supported", DeprecationWarning)
+                    # Silence Py3k warning raised during the sorting
+                    for msg in ["dict inequality comparisons",
+                                "builtin_function_or_method order comparisons",
+                                "comparing unequal types"]:
+                        warnings.filterwarnings("ignore", msg, DeprecationWarning)
                 expected.sort()
                 actual.sort()
                 missing, unexpected = util.sorted_list_difference(expected, actual)
Index: Lib/test/test_unittest.py
===================================================================
--- Lib/test/test_unittest.py	(revision 77909)
+++ Lib/test/test_unittest.py	(working copy)
@@ -2657,7 +2657,15 @@
         # Test that sequences of unhashable objects can be tested for sameness:
         self.assertSameElements([[1, 2], [3, 4]], [[3, 4], [1, 2]])
 
-        self.assertSameElements([{'a': 1}, {'b': 2}], [{'b': 2}, {'a': 1}])
+        with test_support.check_warnings() as w:
+            # comparing dicts raises a py3k warning
+            self.assertSameElements([{'a': 1}, {'b': 2}], [{'b': 2}, {'a': 1}])
+            # comparing heterogenous non-hashable sequences raises a py3k warning
+            self.assertSameElements([1, 'x', divmod, []], [divmod, [], 'x', 1])
+            # fail the test if warnings are not silenced
+            if w.warnings:
+                self.fail('assertSameElements raised a warning: ' +
+                          str(w.warnings[0]))
         self.assertRaises(self.failureException, self.assertSameElements,
                           [[1]], [[2]])