code: def test_unindexed_quadmesh(self):
      plot = self.ds_unindexed.hvplot.quadmesh(x="lon", y="lat")
      assert len(plot.kdims) == 2
      assert plot.kdims[0].name == "time"
      assert plot.kdims[1].name == "nsamples"
      p = plot[1, 0]
      assert len(p.kdims) == 2
      assert p.kdims[0].name == "lon"
      assert p.kdims[1].name == "lat"
  
imports: import os
  import tempfile
  from unittest import SkipTest
  from collections import OrderedDict
  import numpy
  from holoviews import Store
  from holoviews.element import RGB, Image
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 23 for calling the TestGridPlots obj's underlying member method code with example usage: obj.test_unindexed_quadmesh() without return types