code: def test_selection_spec_positional_error_message(self):
      s, e = "1999-12-31", "2000-1-2"
      curve = self.datetime_fn()
      with self.assertRaisesRegex(
          ValueError, "Use the selection_specs keyword"
      ):
          curve.select((Curve,), time=(s, e))
  
imports: import datetime
  from itertools import product
  import numpy
  import pandas
  from holoviews.core import HoloMap
  from holoviews.element import Contours, Curve, Image
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 14 for calling the DimensionedSelectionTest obj's underlying member method code with example usage: obj.test_selection_spec_positional_error_message() without return types