code: def test_waterworld_ma(self):
      from evojax.task.ma_waterworld import MultiAgentWaterWorld
  
      _ = MultiAgentWaterWorld()
      assert True
  
file_path: evojax/tests/test_init.py
label_desc: Use image node_id 4 for calling the TestTask obj's underlying member method code with example usage: obj.test_waterworld_ma() without return types