code: def test_candidate_estimator_get_steps(sagemaker_session):
      candidate_estimator = CandidateEstimator(
          CANDIDATE_DICT, sagemaker_session=sagemaker_session
      )
      steps = candidate_estimator.get_steps()
      assert len(steps) == 3
  
imports: from __future__ import absolute_import
  import copy
  import pytest
  from mock import Mock, patch
  from sagemaker import AutoML, AutoMLJob, AutoMLInput, CandidateEstimator, PipelineModel
  from sagemaker.predictor import Predictor
  from sagemaker.session_settings import SessionSettings
  from sagemaker.workflow.functions import Join
  from tests.unit import SAGEMAKER_CONFIG_AUTO_ML, SAGEMAKER_CONFIG_TRAINING_JOB, _test_default_bucket_and_prefix_combinations, DEFAULT_S3_BUCKET_NAME, DEFAULT_S3_OBJECT_KEY_PREFIX_NAME
label_desc: Use image node_id 27 for calling a global function with example usage: test_candidate_estimator_get_steps(sagemaker_session) without return types