code: def test_plot_backends_incorrect(self):
      fake_plot_backend = "none_plotting_module"
  
      with ps.option_context("plotting.backend", fake_plot_backend):
          self.assertEqual(
              ps.options.plotting.backend, fake_plot_backend
          )
  
          with self.assertRaises(ValueError):
              PandasOnSparkPlotAccessor._get_plot_backend(
                  fake_plot_backend
              )
  
file_path: spark/python/pyspark/pandas/tests/plot/test_series_plot.py
imports: import unittest
  import pandas
  import numpy
  from pyspark import pandas
  from pyspark.pandas.plot import PandasOnSparkPlotAccessor, BoxPlotBase
  from pyspark.testing.pandasutils import have_plotly, plotly_requirement_message
label_desc: Use image node_id 4 for calling the SeriesPlotTestsMixin obj's underlying member method code with example usage: obj.test_plot_backends_incorrect() without return types