class_docstr: Swap-in HDF5 File Handler.
class_docstr_tok: ["Swap-in","HDF5","File","Handler","."]
code: def _get_per_granule_lons():
      return [
          np.array(
              [
                  50.51393,
                  49.566296,
                  48.865967,
                  18.96082,
                  -4.0238385,
                  -7.05221,
                  -10.405702,
                  14.638646,
              ],
              dtype=np.float32,
          ),
          np.array(
              [
                  53.52594,
                  51.685738,
                  50.439102,
                  14.629087,
                  -10.247547,
                  -13.951393,
                  -18.256989,
                  8.36572,
              ],
              dtype=np.float32,
          ),
          np.array(
              [
                  59.386833,
                  55.770416,
                  53.38952,
                  8.353765,
                  -18.062435,
                  -22.608992,
                  -27.867302,
                  -1.3537619,
              ],
              dtype=np.float32,
          ),
          np.array(
              [
                  72.50243,
                  64.17125,
                  59.15234,
                  -1.3654504,
                  -27.620953,
                  -33.091743,
                  -39.28113,
                  -17.749891,
              ],
              dtype=np.float32,
          ),
      ]
  
imports: import os
  from datetime import datetime
  from unittest import mock
  import numpy
  import pytest
  from satpy._config import config_search_paths
  from satpy.readers import load_reader
  from satpy.readers.atms_sdr_hdf5 import ATMS_CHANNEL_NAMES
  from satpy.readers.viirs_atms_sdr_base import DATASET_KEYS
  from satpy.tests.reader_tests.test_hdf5_utils import FakeHDF5FileHandler
label_desc: Use image node_id 4 for calling the FakeHDF5_ATMS_SDR_FileHandler obj's underlying member method code with example usage: obj._get_per_granule_lons() and returns: list