class_docstr: Test VISSR file handler.
class_docstr_tok: ["Test","VISSR","file","handler","."]
docstr: Get file handler to be tested.
docstr_tok: ["Get","file","handler","to","be","tested","."]
code: def file_handler(self, vissr_file_like, mask_space):
      """Get file handler to be tested."""
      return vissr.GMS5VISSRFileHandler(
          vissr_file_like, {}, {}, mask_space=mask_space
      )
  
imports: import datetime
  import gzip
  import fsspec
  import numpy
  import pytest
  import xarray
  from pyresample.geometry import AreaDefinition
  import satpy.tests.reader_tests.gms.test_gms5_vissr_data
  from satpy.readers import FSFile
  from satpy.tests.reader_tests.utils import get_jit_methods, skip_numba_unstable_if_missing
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 28 for calling the TestFileHandler obj's underlying member method code with example usage: obj.file_handler(vissr_file_like, mask_space) and returns: vissr