code: def test_assign_list(self):
      pdf, psdf = self.df_pair
  
      pser = pdf.a
      psser = psdf.a
  
      pdf["x"] = [10, 20, 30, 40, 50, 60, 70, 80, 90]
      psdf["x"] = [10, 20, 30, 40, 50, 60, 70, 80, 90]
  
      self.assert_eq(psdf.sort_index(), pdf.sort_index())
      self.assert_eq(psser, pser)
  
      with self.assertRaisesRegex(
          ValueError, "Length of values does not match length of index"
      ):
          psdf["z"] = [10, 20, 30, 40, 50, 60, 70, 80]
  
imports: import unittest
  import numpy
  import pandas
  from pyspark import pandas
  from pyspark.pandas.config import option_context
  from pyspark.testing.pandasutils import ComparisonTestBase
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 11 for calling the FrameReshapingMixin obj's underlying member method code with example usage: obj.test_assign_list() without return types