class_docstr: Swap-in HDF5 File Handler.
docstr: Mimic reader input file content.
docstr_tok: ["Mimic","reader","input","file","content","."]
code: def get_test_content(self, filename, filename_info, filetype_info):
      """Mimic reader input file content."""
      global_attrs = {
          "/attr/Observing Beginning Date": "2019-01-01",
          "/attr/Observing Ending Date": "2019-01-01",
          "/attr/Observing Beginning Time": "18:27:39.720",
          "/attr/Observing Ending Time": "18:38:36.728",
      }
  
      global_attrs = self._set_sensor_attrs(global_attrs)
      self._add_tbb_coefficients(global_attrs)
      data = self._get_data_file_content()
  
      test_content = {}
      test_content.update(global_attrs)
      test_content.update(data)
      test_content.update(_get_calibration(self.num_scans))
      return test_content
  
imports: import os
  from unittest import mock
  import dask.array
  import numpy
  import pytest
  import xarray
  from satpy.tests.reader_tests.test_hdf5_utils import FakeHDF5FileHandler
label_desc: Use image node_id 2 for calling the FakeHDF5FileHandler2 obj's underlying member method code with example usage: obj.get_test_content(filename, filename_info, filetype_info) and returns: test_content