code: def test_empty_tensor_pad(self):
      padded_tensors = tff.math.pad.pad_tensors([])
      self.assertEqual(padded_tensors, [])
  
file_path: tf-quant-finance/tf_quant_finance/math/pad_test.py
imports: from absl.testing import parameterized
  import tensorflow.compat.v2
  import tf_quant_finance
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 1 for calling the PadTest obj's underlying member method code with example usage: obj.test_empty_tensor_pad() without return types