code: def test_visualization(self):
      assert self.env.render_modes == self.wrapped.render_modes
      mode = self.env.render_modes[0]
      assert self.env.render(mode) == self.wrapped.render(mode)
  
file_path: garage/tests/garage/envs/test_task_onehot_wrapper.py
imports: import numpy
  from garage.envs import PointEnv, TaskOnehotWrapper
label_desc: Use image node_id 4 for calling the TestSingleWrappedEnv obj's underlying member method code with example usage: obj.test_visualization() without return types