code: def test_get_step_type():
      step_type = StepType.get_step_type(
          step_cnt=1, max_episode_length=5, done=False
      )
      assert step_type == StepType.FIRST
      step_type = StepType.get_step_type(
          step_cnt=2, max_episode_length=5, done=False
      )
      assert step_type == StepType.MID
      step_type = StepType.get_step_type(
          step_cnt=2, max_episode_length=None, done=False
      )
      assert step_type == StepType.MID
      step_type = StepType.get_step_type(
          step_cnt=5, max_episode_length=5, done=False
      )
      assert step_type == StepType.TIMEOUT
      step_type = StepType.get_step_type(
          step_cnt=5, max_episode_length=5, done=True
      )
      assert step_type == StepType.TIMEOUT
      step_type = StepType.get_step_type(
          step_cnt=1, max_episode_length=5, done=True
      )
      assert step_type == StepType.TERMINAL
      with pytest.raises(ValueError):
          step_type = StepType.get_step_type(
              step_cnt=0, max_episode_length=5, done=False
          )
  
imports: import akro
  import gym.spaces
  import numpy
  import pytest
  from garage import EnvSpec, EnvStep, EpisodeBatch, StepType, TimeStep, TimeStepBatch
label_desc: Use image node_id 24 for calling a global function with example usage: test_get_step_type() without return types