code: def setUp(self) -> None:
      from bigdl.orca import init_orca_context
  
      init_orca_context(cores=4, init_ray_on_spark=True)
  
imports: import tensorflow
  import numpy
  from unittest import TestCase
  from bigdl.orca.automl.auto_estimator import AutoEstimator
  import pytest
label_desc: Use image node_id 1 for calling the TestTFKerasAutoEstimator obj's underlying member method code with example usage: obj.setUp() without return types