code: def testCreateAgentWithDefaults(self):
      # Verifies that we can create and train an agent with the default values.
      agent = full_rainbow_agent.JaxFullRainbowAgent(num_actions=4)
      observation = onp.ones([84, 84, 1])
      agent.begin_episode(observation)
      agent.step(reward=1, observation=observation)
      agent.end_episode(reward=1)
  
file_path: dopamine/tests/dopamine/jax/agents/full_rainbow/full_rainbow_agent_test.py
imports: from absl.testing import absltest
  from dopamine.discrete_domains import atari_lib
  from dopamine.jax.agents.dqn import dqn_agent
  from dopamine.jax.agents.full_rainbow import full_rainbow_agent
  from dopamine.utils import test_utils
  from flax import linen
  import gin
  import jax.numpy
  import numpy
label_desc: Use image node_id 3 for calling the FullRainbowAgentTest obj's underlying member method code with example usage: obj.testCreateAgentWithDefaults() without return types