class_docstr: Test DecisionBoundariesVisualizer
class_docstr_tok: ["Test","DecisionBoundariesVisualizer"]
docstr: Assert that x,y and features will raise error
docstr_tok: ["Assert","that","x",",","y","and","features","will","raise","error"]
code: def test_scatter_xy_changes_to_features(self):
      """
      Assert that x,y and features will raise error
      """
      model = neighbors.KNeighborsClassifier(3)
      visualizer = DecisionBoundariesVisualizer(model, x="one", y="two")
      assert visualizer.features_ == ["one", "two"]
  
imports: import sys
  import pytest
  import numpy
  from unittest import mock
  from tests.base import VisualTestCase
  from yellowbrick.contrib.classifier import *
  from yellowbrick.exceptions import YellowbrickTypeError
  from yellowbrick.exceptions import YellowbrickValueError
  from sklearn import datasets
  from sklearn import neighbors
  from sklearn import naive_bayes
label_desc: Use image node_id 4 for calling the TestDecisionBoundariesVisualizer obj's underlying member method code with example usage: obj.test_scatter_xy_changes_to_features() without return types