code: def test_apply_options_current_backend_style_invalid(self):
      err = (
          "Unexpected option 'style_opt3' for ExampleElement type "
          "across all extensions. Similar options for current "
          r"extension \('backend_1'\) are: \['style_opt1', 'style_opt2'\]\."
      )
      with self.assertRaisesRegex(ValueError, err):
          ExampleElement([]).options(style_opt3="A")
  
imports: import gc
  from holoviews.core.element import Element
  from holoviews.core.options import Keywords, Options, OptionTree, Store
  from holoviews.core.spaces import HoloMap
  from ..utils import LoggingComparisonTestCase
label_desc: Use image node_id 2 for calling the TestDimensioned_options obj's underlying member method code with example usage: obj.test_apply_options_current_backend_style_invalid() without return types