code: def test_cardinality(self):
      flag = flag_def.BooleanFlagDef(name="unique")
  
      with self.assertRaisesRegex(
          argument_parser.ParserError,
          "error: unrecognized arguments: True",
      ):
          _new_parser(flag).parse_args(["--unique", "True"])
  
      with self.assertRaisesRegex(
          argument_parser.ParserError,
          "Cannot set --unique more than once",
      ):
          _new_parser(flag).parse_args(["--unique", "--unique"])
  
imports: from __future__ import annotations
  import argparse
  import enum
  import math
  from absl.testing import absltest
  from google.generativeai.notebook import argument_parser
  from google.generativeai.notebook import flag_def
label_desc: Use image node_id 3 for calling the BooleanFlagDefTest obj's underlying member method code with example usage: obj.test_cardinality() without return types