class_docstr: SGS Time tester.
class_docstr_tok: ["SGS","Time","tester","."]
docstr: Encode the test time.
docstr_tok: ["Encode","the","test","time","."]
code: def test_fun(self):
      """Encode the test time."""
      # 2018-129 (may 9th), 21:33:27.999
      tcds = np.array(
          [(32, 24, 18, 146, 19, 50, 121, 153)], dtype=sgs_time
      )
      expected = datetime.datetime(2018, 5, 9, 21, 33, 27, 999000)
      assert make_sgs_time(tcds[0]) == expected
  
imports: import datetime
  import unittest
  from unittest import mock
  import numpy
  from xarray import DataArray
  from satpy.readers.goes_imager_hrit import ALTITUDE, HRITGOESFileHandler, HRITGOESPrologueFileHandler, make_gvar_float, make_sgs_time, sgs_time
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 1 for calling the TestMakeSGSTime obj's underlying member method code with example usage: obj.test_fun() without return types