code: def test_point_linear_color_op(self):
      points = Points(
          [(0, 0, 0), (0, 1, 1), (0, 2, 2)], vdims="color"
      ).opts(color="color")
      plot = mpl_renderer.get_plot(points)
      artist = plot.handles["artist"]
      self.assertEqual(
          np.asarray(artist.get_array()), np.array([0, 1, 2])
      )
      self.assertEqual(artist.get_clim(), (0, 2))
  
imports: import matplotlib.pyplot
  import numpy
  import pytest
  from holoviews.core.options import AbbreviatedException
  from holoviews.core.overlay import NdOverlay
  from holoviews.core.spaces import HoloMap
  from holoviews.element import Points
  from ..utils import ParamLogStream
  from .test_plot import TestMPLPlot, mpl_renderer
label_desc: Use image node_id 24 for calling the TestPointPlot obj's underlying member method code with example usage: obj.test_point_linear_color_op() without return types