code: def reset(self, *, seed=None, options=None):
      self.state = 0
      return {
          "agent_1": {
              "obs": self.observation_space["obs"].sample(),
              "action_mask": self.action_mask,
          },
          "agent_2": {
              "obs": self.observation_space["obs"].sample(),
              "action_mask": self.action_mask,
          },
      }, {}
  
file_path: ray/rllib_contrib/qmix/tests/test_qmix.py
imports: import unittest
  import numpy
  from gymnasium.spaces import Box, Dict, Discrete, MultiDiscrete, Tuple
  from rllib_qmix.qmix import QMixConfig
  import ray
  from ray.rllib.env.multi_agent_env import MultiAgentEnv
  from ray.tune import register_env
label_desc: Use image node_id 2 for calling the AvailActionsTestEnv obj's underlying member method code with example usage: obj.reset() and returns: dict,  dict