code: def __init__(
      self, methodName="DeepSpeed performance test on GPT2 model"
  ):
      super(GPT2PerfBaselineTestCase, self).__init__(methodName)
  
file_path: deepspeed/tests/model/Megatron_GPT2/run_perf_baseline.py
imports: import unittest
  import re
  from test_common import BaseTestCase
label_desc: Use image node_id 1 to create a new GPT2PerfBaselineTestCase object from inherited base classes: BaseTestCase with example: obj = GPT2PerfBaselineTestCase(methodName)