class_docstr: Test DecisionBoundariesVisualizer
class_docstr_tok: ["Test","DecisionBoundariesVisualizer"]
docstr: Test fit draw shortcut
docstr_tok: ["Test","fit","draw","shortcut"]
code: def test_fit_draw(self):
      """
      Test fit draw shortcut
      """
      model = neighbors.KNeighborsClassifier(3)
      viz = DecisionBoundariesVisualizer(
          model, features=["one", "two"], show_scatter=False
      )
  
      viz.fit = mock.Mock()
      viz.draw = mock.Mock()
  
      viz.fit_draw(X_two_cols, y=y)
  
      viz.fit.assert_called_once_with(X_two_cols, y)
      viz.draw.assert_called_once_with(X_two_cols, y)
  
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 15 for calling the TestDecisionBoundariesVisualizer obj's underlying member method code with example usage: obj.test_fit_draw() without return types