docstr: Tests wether SingleAgentRLModuleSpec.update() works.
docstr_tok: ["Tests","wether","SingleAgentRLModuleSpec.update","(",")","works","."]
code: def test_update_specs(self):
      """Tests wether SingleAgentRLModuleSpec.update() works."""
      env = gym.make("CartPole-v0")
  
      # Test if SingleAgentRLModuleSpec.update() works.
      module_spec_1 = SingleAgentRLModuleSpec(
          module_class=DiscreteBCTorchModule,
          observation_space=env.observation_space,
          action_space=env.action_space,
          model_config_dict="Update me!",
      )
      module_spec_2 = SingleAgentRLModuleSpec(
          model_config_dict={"fcnet_hiddens": [32]}
      )
      self.assertEqual(module_spec_1.model_config_dict, "Update me!")
      module_spec_1.update(module_spec_2)
      self.assertEqual(
          module_spec_1.model_config_dict, {"fcnet_hiddens": [32]}
      )
  
file_path: ray/python/ray/rllib/core/rl_module/tests/test_rl_module_specs.py
imports: import unittest
  import gymnasium
  import torch
  from ray.rllib.core.rl_module.rl_module import SingleAgentRLModuleSpec
  from ray.rllib.core.rl_module.marl_module import MultiAgentRLModule, MultiAgentRLModuleSpec
  from ray.rllib.core.testing.torch.bc_module import DiscreteBCTorchModule, BCTorchRLModuleWithSharedGlobalEncoder, BCTorchMultiAgentModuleWithSharedEncoder
  from ray.rllib.core.testing.tf.bc_module import DiscreteBCTFModule, BCTfRLModuleWithSharedGlobalEncoder, BCTfMultiAgentModuleWithSharedEncoder
label_desc: Use image node_id 6 for calling the TestRLModuleSpecs obj's underlying member method code with example usage: obj.test_update_specs() without return types