code: def setUp(self):
      super().setUp()
      # Example 1D map
      self.map1_1D = HoloMap(kdims=["int"])
      self.map1_1D[0] = self.mat1
      self.map1_1D[1] = self.mat2
      # Changed keys...
      self.map2_1D = HoloMap(kdims=["int"])
      self.map2_1D[1] = self.mat1
      self.map2_1D[2] = self.mat2
      # Changed number of keys...
      self.map3_1D = HoloMap(kdims=["int"])
      self.map3_1D[1] = self.mat1
      self.map3_1D[2] = self.mat2
      self.map3_1D[3] = self.mat3
      # Changed values...
      self.map4_1D = HoloMap(kdims=["int"])
      self.map4_1D[0] = self.mat1
      self.map4_1D[1] = self.mat3
      # Changed bounds...
      self.map5_1D = HoloMap(kdims=["int"])
      self.map5_1D[0] = self.mat4
      self.map5_1D[1] = self.mat5
      # Example dimension label
      self.map6_1D = HoloMap(kdims=["int_v2"])
      self.map6_1D[0] = self.mat1
      self.map6_1D[1] = self.mat2
      # A HoloMap of Overlays
      self.map7_1D = HoloMap(kdims=["int"])
      self.map7_1D[0] = self.overlay1_depth2
      self.map7_1D[1] = self.overlay2_depth2
      # A different HoloMap of Overlays
      self.map8_1D = HoloMap(kdims=["int"])
      self.map8_1D[0] = self.overlay2_depth2
      self.map8_1D[1] = self.overlay1_depth2
  
      # Example 2D map
      self.map1_2D = HoloMap(kdims=["int", Dimension("float")])
      self.map1_2D[0, 0.5] = self.mat1
      self.map1_2D[1, 1.0] = self.mat2
      # Changed 2D keys...
      self.map2_2D = HoloMap(kdims=["int", Dimension("float")])
      self.map2_2D[0, 1.0] = self.mat1
      self.map2_2D[1, 1.5] = self.mat2
  
imports: import numpy
  from holoviews import Image
  from holoviews.core import BoundingBox, Dimension
  from holoviews.core.element import HoloMap
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 1 for calling the RasterMapTestCase obj's underlying member method code with example usage: obj.setUp() without return types