class_docstr: Test the AtmsL1bNCFileHandler reader.
class_docstr_tok: ["Test","the","AtmsL1bNCFileHandler","reader","."]
docstr: Test attributes.
docstr_tok: ["Test","attributes","."]
code: def test_attrs(self, reader, param, expect):
      """Test attributes."""
      assert reader.attrs[param] == expect
  
file_path: satpy/satpy/tests/reader_tests/test_atms_l1b_nc.py
imports: from datetime import datetime
  import numpy
  import pytest
  import xarray
  from satpy.readers.atms_l1b_nc import AtmsL1bNCFileHandler
label_desc: Use image node_id 6 for calling the TestAtsmsL1bNCFileHandler obj's underlying member method code with example usage: obj.test_attrs(reader, param, expect) without return types