code: def test_help_command(self):
      super().test_help_command()
  
imports: import unittest
  from pyspark.sql.tests.test_dataframe import DataFrameTestsMixin
  from pyspark.testing.connectutils import ReusedConnectTestCase
label_desc: Use image node_id 1 for calling the DataFrameParityTests obj's underlying member method code with example usage: obj.test_help_command() without return types