docstr: Test the baseline initialization.
docstr_tok: ["Test","the","baseline","initialization","."]
code: def test_baseline(self):
      """Test the baseline initialization."""
      box_env = GymEnv(DummyBoxEnv())
      deterministic_mlp_baseline = ContinuousMLPBaseline(
          env_spec=box_env
      )
      gaussian_mlp_baseline = GaussianMLPBaseline(env_spec=box_env)
  
      self.sess.run(tf.compat.v1.global_variables_initializer())
      deterministic_mlp_baseline.get_param_values()
      gaussian_mlp_baseline.get_param_values()
  
      box_env.close()
  
imports: import tensorflow
  from garage.envs import GymEnv
  from garage.tf.baselines import ContinuousMLPBaseline, GaussianMLPBaseline
  from tests.fixtures import TfGraphTestCase
  from tests.fixtures.envs.dummy import DummyBoxEnv
label_desc: Use image node_id 1 for calling the TestTfBaselines obj's underlying member method code with example usage: obj.test_baseline() without return types