code: def test_local_file(self, capsys):
      sys.argv = [
          "allennlp",
          "cached-path",
          "--cache-dir",
          str(self.TEST_DIR),
          str(self.PROJECT_ROOT_FALLBACK / "README.md"),
      ]
      main()
      captured = capsys.readouterr()
      assert "README.md" in captured.out
  
file_path: allennlp/tests/commands/cached_path_test.py
imports: import sys
  import pytest
  from allennlp.commands import main
  from allennlp.common.testing import AllenNlpTestCase
label_desc: Use image node_id 1 for calling the TestCachedPathCommand obj's underlying member method code with example usage: obj.test_local_file(capsys) without return types