docstr: Generates all subdirectories of some random tree directory structure
docstr_tok: ["Generates","all","subdirectories","of","some","random","tree","directory","structure"]
code: def _gen_tree_paths(cls, depth, width=2) -> Set:
      """Generates all subdirectories of some random tree directory structure"""
      this_level_dirs = (fake.word() + "/" for _ in range(width))
      if depth == 1:
          return set(this_level_dirs)
      else:
          subpaths = cls._gen_tree_paths(depth=depth - 1, width=width)
          new_paths = set(
              "".join(prod)
              for prod in product(subpaths, this_level_dirs)
          )
          subpaths.update(new_paths)
          return subpaths
  
imports: import io
  import os
  import random
  import uuid
  from itertools import product
  from typing import Set
  from unittest.mock import Mock
  from zipfile import ZipFile
  import pytest
  from neptune.internal.backends import hosted_file_operations
  from neptune.internal.backends.api_model import MultipartConfig, OptionalFeatures
  from neptune.internal.backends.hosted_neptune_backend import HostedNeptuneBackend
  from neptune.internal.types.file_types import FileType
  from neptune.metadata_containers import MetadataContainer
  from neptune.types import File, FileSet
  from tests.e2e.base import AVAILABLE_CONTAINERS, BaseE2ETest, fake
  from tests.e2e.plot_utils import generate_altair_chart, generate_brokeh_figure, generate_matplotlib_figure, generate_pil_image, generate_plotly_figure, generate_seaborn_figure
  from tests.e2e.utils import SIZE_1KB, SIZE_1MB, initialize_container, preserve_cwd, tmp_context
label_desc: Use image node_id 4 for calling the TestFileSet obj's underlying member method code with example usage: obj._gen_tree_paths(cls, depth, width) and returns: set, subpaths