code: def test_parse_args_sets_unique(self):
      parser = cmd_line_parser.CmdLineParser()
      results, _ = parser.parse_line("")
      self.assertFalse(results.unique)
  
      results, _ = parser.parse_line("--unique")
      self.assertTrue(results.unique)
  
imports: from __future__ import annotations
  import sys
  from unittest import mock
  from absl.testing import absltest
  from google.generativeai.notebook import argument_parser
  from google.generativeai.notebook import cmd_line_parser
  from google.generativeai.notebook import model_registry
  from google.generativeai.notebook import parsed_args_lib
  from google.generativeai.notebook import post_process_utils
  from google.generativeai.notebook.lib import llm_function
  from google.generativeai.notebook.lib import llmfn_output_row
  from google.generativeai.notebook.lib import llmfn_outputs
  from google.generativeai.notebook.lib import model
label_desc: Use image node_id 5 for calling the CmdLineParserModelFlagsTest obj's underlying member method code with example usage: obj.test_parse_args_sets_unique() without return types