code: def _test_call(self, gpu):
      nonlinearity = getattr(F, self.nonlinearity)
      model = pfrl.q_functions.FCLSTMSAQFunction(
          n_dim_obs=self.n_dim_obs,
          n_dim_action=self.n_dim_action,
          n_hidden_layers=self.n_hidden_layers,
          n_hidden_channels=self.n_hidden_channels,
          nonlinearity=nonlinearity,
          last_wscale=self.last_wscale,
      )
      self._test_call_given_model(model, gpu)
  
imports: import unittest
  import basetest_state_action_q_function
  import pytest
  import torch.nn.functional
  import pfrl
label_desc: Use image node_id 2 for calling the TestFCLSTMSAQFunction obj's underlying member method code with example usage: obj._test_call(gpu) without return types