code: def _setup(self, config_name):
      self.config_name = config_name
      baseline_filename = config_name + ".json"
  
      filepath = os.path.join(EXPECTED_METRICS_DIR, baseline_filename)
      if os.path.exists(filepath):
          with open(filepath) as f:
              self.expected = json.load(f)
      else:
          raise FileNotFoundError(f"{baseline_filename} does not exist")
  
file_path: megatron-lm/tests/functional_tests/python_test_utils/multitest_ci_pipeline.py
imports: import os
  import json
  import pytest
  import sys
  import glob
  from .common import read_tb_logs_as_list, TypeOfTest
  from .test_ci_pipeline import TestCIPipeline
label_desc: Use image node_id 1 for calling the TestBulkCIPipeline obj's underlying member method code with example usage: obj._setup(config_name) without return types