code: def test_filearchive_clear_file(self, tmp_path):
      export_name = "archive_for_clear"
      export_name = "archive_for_clear"
      archive = FileArchive(
          root=os.fspath(tmp_path), export_name=export_name, pack=False
      )
      archive.add(self.image1)
      archive.add(self.image2)
      archive.clear()
      assert archive._files == {}
  
file_path: holoviews/holoviews/tests/core/test_archives.py
imports: import json
  import os
  import tarfile
  import zipfile
  import numpy
  from holoviews import Image
  from holoviews.core.io import FileArchive, Serializer
label_desc: Use image node_id 9 for calling the TestFileArchive obj's underlying member method code with example usage: obj.test_filearchive_clear_file(tmp_path) without return types