code: def test_param(self):
      param = parameter(
          input_var=self.input_vars,
          length=3,
          initializer=tf.constant_initializer(self.initial_params),
      )
      self.sess.run(tf.compat.v1.global_variables_initializer())
      p = self.sess.run(param, feed_dict=self.feed_dict)
  
      assert p.shape == (5, 3)
      assert np.all(p == self.initial_params)
  
file_path: garage/tests/garage/tf/models/test_parameter.py
imports: import numpy
  import tensorflow
  from garage.tf.models.parameter import parameter, recurrent_parameter
  from tests.fixtures import TfGraphTestCase
label_desc: Use image node_id 2 for calling the TestParameter obj's underlying member method code with example usage: obj.test_param() without return types