class_docstr: Test the NcNWCSAF reader for Geo products.
class_docstr_tok: ["Test","the","NcNWCSAF","reader","for","Geo","products","."]
docstr: Test that get_area_def() returns proper area when the projection is in km.
docstr_tok: ["Test","that","get_area_def","(",")","returns","proper","area","when","the","projection","is","in","km","."]
code: def test_get_area_def_km(self, nwcsaf_old_geo_ct_filehandler):
      """Test that get_area_def() returns proper area when the projection is in km."""
      dsid = {"name": "ct"}
      _check_filehandler_area_def(nwcsaf_old_geo_ct_filehandler, dsid)
  
imports: import h5netcdf
  import numpy
  import pytest
  import xarray
  from satpy.readers.nwcsaf_nc import NcNWCSAF, read_nwcsaf_time
label_desc: Use image node_id 4 for calling the TestNcNWCSAFGeo obj's underlying member method code with example usage: obj.test_get_area_def_km(nwcsaf_old_geo_ct_filehandler) without return types