code: def test_plot(self):
      case1 = self.exp.predict_profile(
          self.X.iloc[2:10, :], verbose=False
      )
      case2 = self.exp.predict_profile(self.X.iloc[0, :], verbose=False)
      case3 = self.exp.predict_profile(self.X.iloc[1, :], verbose=False)
  
      self.assertIsInstance(
          case1, dx.predict_explanations.CeterisParibus
      )
      self.assertIsInstance(
          case2, dx.predict_explanations.CeterisParibus
      )
  
      fig1 = case1.plot((case2, case3), show=False)
      fig2 = case2.plot(variable_type="categorical", show=False)
      fig3 = case1.plot(case2, variables="age", show=False)
      fig4 = case2.plot(variables="gender", show=False)
      fig5 = case1.plot(
          case3,
          size=1,
          color="gender",
          facet_ncol=1,
          show_observations=False,
          title="title",
          horizontal_spacing=0.2,
          vertical_spacing=0.2,
          show=False,
      )
      fig6 = case2.plot(variables=["gender"], show=False)
      fig7 = case2.plot(variables=["gender", "class"], show=False)
      fig8 = case2.plot(
          variables=["gender", "class"],
          variable_type="categorical",
          show=False,
      )
  
      self.assertIsInstance(fig1, Figure)
      self.assertIsInstance(fig2, Figure)
      self.assertIsInstance(fig3, Figure)
      self.assertIsInstance(fig4, Figure)
      self.assertIsInstance(fig5, Figure)
      self.assertIsInstance(fig6, Figure)
      self.assertIsInstance(fig7, Figure)
      self.assertIsInstance(fig8, Figure)
  
file_path: DALEX/python/dalex/test/test_ceteris_paribus.py
imports: import unittest
  import numpy
  import pandas
  from plotly.graph_objs import Figure
  from sklearn.compose import ColumnTransformer
  from sklearn.impute import SimpleImputer
  from sklearn.neural_network import MLPClassifier
  from sklearn.pipeline import Pipeline
  from sklearn.preprocessing import StandardScaler, LabelEncoder, OneHotEncoder
  import dalex
  from dalex.predict_explanations._ceteris_paribus import utils
label_desc: Use image node_id 7 for calling the CeterisParibusTestTitanic obj's underlying member method code with example usage: obj.test_plot() without return types