code: def test_lt_method(self, mock_method):
      y = Mock()
      self._test_binary_op_method(mock_method, y, lambda x, y: x < y)
  
imports: from unittest.mock import Mock
  from unittest.mock import patch
  import numpy
  import tensorflow
  from keras import backend
  from keras import ops
  from keras import testing
  from keras.backend.common import keras_tensor
label_desc: Use image node_id 16 for calling the KerasTensorTest obj's underlying member method code with example usage: obj.test_lt_method(mock_method) without return types