code: def setUp(self):
      self.pentagon = np.array(
          [
              [0.00000000e00, 5.00000000e-01],
              [4.75528258e-01, 1.54508497e-01],
              [2.93892626e-01, -4.04508497e-01],
              [-2.93892626e-01, -4.04508497e-01],
              [-4.75528258e-01, 1.54508497e-01],
              [-1.22464680e-16, 5.00000000e-01],
          ]
      )
  
      self.squashed = np.array(
          [
              [0.00000000e00, 1.00000000e00],
              [4.75528258e-01, 3.09016994e-01],
              [2.93892626e-01, -8.09016994e-01],
              [-2.93892626e-01, -8.09016994e-01],
              [-4.75528258e-01, 3.09016994e-01],
              [-1.22464680e-16, 1.00000000e00],
          ]
      )
  
imports: import numpy
  from holoviews import Box, Dataset, Ellipse, Path, Polygons
  from holoviews.core.data.interface import DataError
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 1 for calling the EllipseTests obj's underlying member method code with example usage: obj.setUp() without return types