class_docstr: Test for the MultiInterface and GeomDictInterface.
code: def test_multi_geom_dataset_poly_coord_values(self):
      geoms = [sgeom.Polygon([(0, 0), (6, 6), (3, 3)])]
      mds = Dataset(geoms, kdims=["x", "y"], datatype=[self.datatype])
      self.assertEqual(
          mds.dimension_values("x"), np.array([0, 6, 3, 0])
      )
      self.assertEqual(
          mds.dimension_values("y"), np.array([0, 6, 3, 0])
      )
  
imports: from unittest import SkipTest
  import numpy
  import pandas
  from holoviews.core.data import Dataset, MultiInterface
  from holoviews.core.data.interface import DataError
  from holoviews.element import Polygons, Path
  from holoviews.element.comparison import ComparisonTestCase
  from holoviews.tests.core.data.test_multiinterface import MultiBaseInterfaceTest
  from geoviews.data.geom_dict import GeomDictInterface
label_desc: Use image node_id 5 for calling the GeomInterfaceTest obj's underlying member method code with example usage: obj.test_multi_geom_dataset_poly_coord_values() without return types