code: def test_call_cpu(self):
      self._test_call(gpu=-1)
  
imports: import unittest
  import basetest_state_action_q_function
  import pytest
  import torch.nn.functional
  import pfrl
label_desc: Use image node_id 3 for calling the TestFCLateActionSAQFunction obj's underlying member method code with example usage: obj.test_call_cpu() without return types