class_docstr: Test the area helpers.
docstr: Test the bz2 file unzipping context manager.
code: def test_pro_reading_gets_unzipped_file(
      self, fake_unzip_file, fake_remove
  ):
      """Test the bz2 file unzipping context manager."""
      filename = "dummy.txt.bz2"
      expected_filename = filename[:-4]
  
      with hf.unzip_context(filename) as new_filename:
          assert new_filename == expected_filename
  
      fake_unzip_file.assert_called_with(filename)
      fake_remove.assert_called_with(expected_filename)
  
imports: import os
  import unittest
  from datetime import datetime
  from unittest import mock
  import dask.array
  import numpy
  import numpy.testing
  import pyresample.geometry
  import pytest
  import xarray
  from fsspec.implementations.memory import MemoryFile, MemoryFileSystem
  from pyproj import CRS
  from satpy.readers import FSFile
  from satpy.readers import utils
label_desc: Use image node_id 14 for calling the TestHelpers obj's underlying member method code with example usage: obj.test_pro_reading_gets_unzipped_file(fake_unzip_file, fake_remove) without return types