code: def test_fit(self, net_fit, recwarn):
      # fitting does not raise anything and does not warn
      assert not recwarn.list
  
imports: from functools import partial
  import numpy
  import pytest
  from sklearn.base import clone
  from skorch.tests.conftest import INFERENCE_METHODS
label_desc: Use image node_id 10 for calling the TestNeuralNetRegressor obj's underlying member method code with example usage: obj.test_fit(net_fit, recwarn) without return types