code: def setUp(self):
      super().setUp()
      self.array1 = np.array([(0, 1, 2), (3, 4, 5)])
  
file_path: holoviews/holoviews/tests/element/test_image.py
imports: import numpy
  import holoviews
  from holoviews.element import Curve, Image
  from ..utils import LoggingComparisonTestCase
label_desc: Use image node_id 1 for calling the TestImage obj's underlying member method code with example usage: obj.setUp() without return types