class_docstr: Test the OptsSpec parser works correctly for plot options.
code: def test_norm_opts_simple_explicit_2(self):
      line = "Layout norm{+axiswise +framewise}"
      expected = {
          "Layout": {"norm": Options(axiswise=True, framewise=True)}
      }
      self.assertEqual(OptsSpec.parse(line), expected)
  
imports: from unittest import SkipTest
  from holoviews.element.comparison import ComparisonTestCase
  from holoviews.core.options import Cycle, Options
label_desc: Use image node_id 4 for calling the OptsNormPlotOptionsTests obj's underlying member method code with example usage: obj.test_norm_opts_simple_explicit_2() without return types