code: def test_points_selection_dynamic(self):
      self.test_points_selection(dynamic=True)
  
imports: from unittest import skip, skipIf
  import pandas
  import holoviews
  from holoviews.core.options import Cycle, Store
  from holoviews.element import ErrorBars, Points, Rectangles, Table, VSpan
  from holoviews.element.comparison import ComparisonTestCase
  from holoviews.plotting.util import linear_gradient
  from holoviews.selection import link_selections
  from holoviews.streams import SelectionXY
label_desc: Use image node_id 9 for calling the TestLinkSelections obj's underlying member method code with example usage: obj.test_points_selection_dynamic() without return types