code: def test_fit_without_trusted_region(self):
      box_env_spec = GymEnv(DummyBoxEnv(obs_dim=(2,))).spec
      gmb = GaussianMLPBaseline(
          env_spec=box_env_spec, use_trust_region=False
      )
  
      train_paths, _, _, paths, expected = get_train_test_data()
  
      for _ in range(150):
          gmb.fit(train_paths)
  
      prediction = gmb.predict(paths)
  
      assert np.allclose(prediction, expected, rtol=0, atol=0.1)
  
file_path: garage/tests/garage/tf/baselines/test_gaussian_mlp_baseline.py
imports: import pickle
  from unittest import mock
  import numpy
  import pytest
  import tensorflow
  from garage.envs import GymEnv
  from garage.tf.baselines import GaussianMLPBaseline
  from tests.fixtures import TfGraphTestCase
  from tests.fixtures.envs.dummy import DummyBoxEnv
label_desc: Use image node_id 4 for calling the TestGaussianMLPBaseline obj's underlying member method code with example usage: obj.test_fit_without_trusted_region() without return types