class_docstr: Test the ProjectionVisualizer base class
class_docstr_tok: ["Test","the","ProjectionVisualizer","base","class"]
docstr: Test that colorbar equals false works correctly
docstr_tok: ["Test","that","colorbar","equals","false","works","correctly"]
code: def test_colorbar_false(self):
      """
      Test that colorbar equals false works correctly
      """
      visualizer = MockVisualizer(colorbar=False, colormap="YlOrRd")
      visualizer.fit_transform(*self.continuous)
      visualizer.finalize()
  
      self.assert_images_similar(visualizer)
  
imports: import pytest
  import numpy.testing
  import matplotlib.pyplot
  from yellowbrick.features.projection import *
  from yellowbrick.exceptions import YellowbrickValueError
  from tests.base import VisualTestCase
  from unittest import mock
  from sklearn.decomposition import PCA
  from sklearn.pipeline import Pipeline
  from sklearn.preprocessing import StandardScaler
label_desc: Use image node_id 11 for calling the TestProjectionVisualizer obj's underlying member method code with example usage: obj.test_colorbar_false() without return types