code: def test_column_accessor(self):
      from pyspark.sql.functions import col
  
      self.assertIsInstance(col("foo")[1:3], Column)
      self.assertIsInstance(col("foo")[0], Column)
      self.assertIsInstance(col("foo")["bar"], Column)
      self.assertRaises(ValueError, lambda: col("foo")[0:10:2])
  
imports: from itertools import chain
  from pyspark.sql import Column, Row
  from pyspark.sql import functions
  from pyspark.sql.types import StructType, StructField, LongType
  from pyspark.errors import AnalysisException, PySparkTypeError, PySparkValueError
  from pyspark.testing.sqlutils import ReusedSQLTestCase
label_desc: Use image node_id 5 for calling the ColumnTestsMixin obj's underlying member method code with example usage: obj.test_column_accessor() without return types