code: def test_objectmapper(self):
      df = pdml.ModelFrame([])
      dgp = df.gaussian_process
  
      self.assertIs(
          dgp.GaussianProcessClassifier, gp.GaussianProcessClassifier
      )
      self.assertIs(
          dgp.GaussianProcessRegressor, gp.GaussianProcessRegressor
      )
      self.assertIs(
          dgp.correlation_models.absolute_exponential,
          gp.correlation_models.absolute_exponential,
      )
      self.assertIs(
          dgp.correlation_models.squared_exponential,
          gp.correlation_models.squared_exponential,
      )
      self.assertIs(
          dgp.correlation_models.generalized_exponential,
          gp.correlation_models.generalized_exponential,
      )
      self.assertIs(
          dgp.correlation_models.pure_nugget,
          gp.correlation_models.pure_nugget,
      )
      self.assertIs(
          dgp.correlation_models.cubic, gp.correlation_models.cubic
      )
      self.assertIs(
          dgp.correlation_models.linear, gp.correlation_models.linear
      )
  
file_path: pandas-ml/pandas_ml/skaccessors/test/test_gaussian_process.py
imports: import numpy
  import sklearn.gaussian_process
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 1 for calling the TestGaussianProcess obj's underlying member method code with example usage: obj.test_objectmapper() without return types