class_docstr: Test convergence in gaussian process.
class_docstr_tok: ["Test","convergence","in","gaussian","process","."]
code: def testConvergenceHEBO(self):
      from ray.tune.search.hebo import HEBOSearch
  
      np.random.seed(0)
      searcher = HEBOSearch()
      analysis = self._testConvergence(searcher)
  
      assert len(analysis.trials) < 100
      assert math.isclose(analysis.best_config["x"], 0, abs_tol=1e-2)
  
imports: import math
  import numpy
  import pytest
  import ray
  from ray import train, tune
  from ray.tune.stopper import ExperimentPlateauStopper
  from ray.tune.search import ConcurrencyLimiter
  import unittest
label_desc: Use image node_id 6 for calling the ConvergenceTest obj's underlying member method code with example usage: obj.testConvergenceHEBO() without return types