message: Add a test case for SparseFillEmptyRows
  This add a test for an untested configuration.
diff: @@ -602,6 +602,24 @@ class SparseFillEmptyRowsTest(test_util.TensorFlowTestCase):
  self.assertAllEqual(output.dense_shape, [2, 5])
  self.assertAllEqual(empty_row_indicator_out, np.zeros(2).astype(np.bool))
  + def testUnordered(self):
  + with test_util.use_gpu():
  + sp_input = sparse_tensor.SparseTensor(
  + indices=np.array([[2, 3], [2, 2], [0, 1], [0, 3]]),
  + values=np.array([1, 3, 2, 4]),
  + dense_shape=np.array([3, 5]))
  + sp_output, empty_row_indicator = (
  + sparse_ops.sparse_fill_empty_rows(sp_input, -1))
  +
  + output, empty_row_indicator_out = self.evaluate(
  + [sp_output, empty_row_indicator])
  +
  + self.assertAllEqual(output.indices,
  + [[0, 1], [0, 3], [1, 0], [2, 3], [2, 2]])
  + self.assertAllEqual(output.values, [2, 4, -1, 1, 3])
  + self.assertAllEqual(output.dense_shape, [3, 5])
  + self.assertAllEqual(empty_row_indicator_out, [False, True, False])
  +
  def testEmptyIndicesTensor(self):
  with test_util.use_gpu():
  sp_input = sparse_tensor.SparseTensor(
  