message: Also define the sorting axis in testMutableHashTableOfTensors.
  without that, numpy.sort does not seem to have a deterministic order.
diff: @@ -1788,9 +1788,9 @@ class MutableHashTableOpTest(test.TestCase):
  exported_keys, exported_values = table.export()
  # exported data is in the order of the internal map, i.e. undefined
  sorted_keys = np.sort(self.evaluate(exported_keys))
  - sorted_values = np.sort(self.evaluate(exported_values))
  + sorted_values = np.sort(self.evaluate(exported_values), axis=0)
  self.assertAllEqual([b"brain", b"salad", b"surgery"], sorted_keys)
  - sorted_expected_values = np.sort([[4, 5], [2, 3], [0, 1]])
  + sorted_expected_values = np.sort([[4, 5], [2, 3], [0, 1]], axis=0)
  self.assertAllEqual(sorted_expected_values, sorted_values)
  def testMutableHashTableExportInsert(self):
  