class_docstr: Tests for the GLM L2 reader.
docstr: Test getting basic file attributes.
docstr_tok: ["Test","getting","basic","file","attributes","."]
code: def test_basic_attributes(self):
      """Test getting basic file attributes."""
      from datetime import datetime
  
      assert self.reader.start_time == datetime(2017, 9, 20, 17, 30, 40)
      assert self.reader.end_time == datetime(2017, 9, 20, 17, 41, 17)
  
file_path: satpy/satpy/tests/reader_tests/test_glm_l2.py
imports: import os
  import unittest
  from unittest import mock
  import numpy
  import xarray
label_desc: Use image node_id 2 for calling the TestGLML2FileHandler obj's underlying member method code with example usage: obj.test_basic_attributes() without return types