class_docstr: Test case for the file reading.
docstr: Check that file handler deletes files if needed.
docstr_tok: ["Check","that","file","handler","deletes","files","if","needed","."]
code: def test_destructor(self, exist_patch, remove_patch):
      """Check that file handler deletes files if needed."""
      del self.fh
      remove_patch.assert_called()
  
imports: import os
  import shutil
  import tempfile
  import unittest
  from unittest import mock
  import dask.array
  import numpy
  import pytest
  from pyresample.geometry import AreaDefinition
  from satpy.readers.ahi_l1b_gridded_bin import AHI_LUT_NAMES, AHIGriddedFileHandler
label_desc: Use image node_id 5 for calling the TestAHIGriddedFileHandler obj's underlying member method code with example usage: obj.test_destructor(exist_patch, remove_patch) without return types